[NTG-context] Re: Fractions (was \placefigure[location=here...] problem)
On 12/9/2023 4:33 PM, Aditya Mahajan wrote:
On Sat, 9 Dec 2023, Wolfgang Schuster wrote:
\starttext
\startlines
\type{\frac{1}{3}}: \m{\frac{1}{3}}
\type{\xfrac{1}{3}}: \m{\xfrac{1}{3}}
\type{\xxfrac{1}{3}}: \m{\xxfrac{1}{3}}
\type{\tfrac{1}{3}}: \m{\tfrac{1}{3}}
\type{\sfrac{1}{3}}: \m{\sfrac{1}{3}}
\type{\frac{1}{3}}: \m{\frac{1}{3}}
\type{\dfrac{1}{3}}: \m{\dfrac{1}{3}}
\type{\cfrac{1}{3}}: \m{\cfrac{1}{3}}
\type{\vfrac{1}{3}}: \m{\vfrac{1}{3}}
\type{\hfrac{1}{3}}: \m{\hfrac{1}{3}}
\stoplines
\stoptext
Or, for inline math, $\sqrt{1/3}$.
radicals are somewhat special to deal with:
- multidimensional delimiter
- vertical spacing inside
- horizontal spacing oustside
- anchoring degrees
- left and right radicals
- more consistent rules (char based)
- size dependent additional spacing (avoid clash)
- normalize size across formula
- lack of granularity in variants sizes
by now we have dealt with all of that (some not in the current release),
think of additional control in the engine, compensation for insufficient
opentype math features, companion fonts with more sizes
there will always be suboptimal cases but the average is ok (we put
radical - character kerning on hold because it is a lot of definitions)
and we don't want to add hard to fight heuristics
so to inline: in most cases the solution that Adirya suggests will work
out okay with respect toline spacing
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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[NTG-context] Re: Fractions (was \placefigure[location=here...] problem)
On Sat, 9 Dec 2023, Wolfgang Schuster wrote:
> \starttext
>
> \startlines
> \type{\frac{1}{3}}: \m{\frac{1}{3}}
> \type{\xfrac{1}{3}}: \m{\xfrac{1}{3}}
> \type{\xxfrac{1}{3}}: \m{\xxfrac{1}{3}}
> \type{\tfrac{1}{3}}: \m{\tfrac{1}{3}}
> \type{\sfrac{1}{3}}: \m{\sfrac{1}{3}}
> \type{\frac{1}{3}}: \m{\frac{1}{3}}
> \type{\dfrac{1}{3}}: \m{\dfrac{1}{3}}
> \type{\cfrac{1}{3}}: \m{\cfrac{1}{3}}
> \type{\vfrac{1}{3}}: \m{\vfrac{1}{3}}
> \type{\hfrac{1}{3}}: \m{\hfrac{1}{3}}
> \stoplines
>
> \stoptext
Or, for inline math, $\sqrt{1/3}$.
Aditya
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[NTG-context] Re: Fractions (was \placefigure[location=here...] problem)
Fabrice Couvreur schrieb am 09.12.2023 um 16:13:
Hi Wolfgang,
I'm reading this thread and I'm interested because I type a lot of
text with mathematical formulas.
In fact, I find that \dfrac{} creates unsightly leading space and that
\frac{} is too small. What is the difference between \frac{} and
\tfrac{} ?
\frac switches the math style while \tfrac (textstyle), \dfrac
(displaystyle) and \sfrac (scriptstyle) enforce a certain style.
begin example
\startbuffer[frac]
\frac{1}{2} + \dfrac{1}{2} - \tfrac{1}{2} + \sfrac{1}{2}
\stopbuffer
\starttext
\startformula
\getbuffer[frac]
\stopformula
\m{\getbuffer[frac]}
\startformula
\frac
{\getbuffer[frac]}
{\getbuffer[frac]}
\stopformula
\m{\frac
{\getbuffer[frac]}
{\getbuffer[frac]}}
\stoptext
end example
Wolfgang
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[NTG-context] Re: Fractions (was \placefigure[location=here...] problem)
Hi Wolfgang,
I'm reading this thread and I'm interested because I type a lot of text
with mathematical formulas.
In fact, I find that \dfrac{} creates unsightly leading space and that
\frac{} is too small. What is the difference between \frac{} and \tfrac{} ?
Fabrice
Le sam. 9 déc. 2023 à 14:00, Henning Hraban Ramm a écrit :
> Am 09.12.23 um 14:43 schrieb Wolfgang Schuster:
> > anton.chig...@mail.com schrieb am 09.12.2023 um 14:15:
> > \startlines
> > \type{\frac{1}{3}}: \m{\frac{1}{3}}
> > \type{\xfrac{1}{3}}: \m{\xfrac{1}{3}}
> > \type{\xxfrac{1}{3}}: \m{\xxfrac{1}{3}}
> > \type{\tfrac{1}{3}}: \m{\tfrac{1}{3}}
> > \type{\sfrac{1}{3}}: \m{\sfrac{1}{3}}
> > \type{\frac{1}{3}}: \m{\frac{1}{3}}
> > \type{\dfrac{1}{3}}: \m{\dfrac{1}{3}}
> > \type{\cfrac{1}{3}}: \m{\cfrac{1}{3}}
> > \type{\vfrac{1}{3}}: \m{\vfrac{1}{3}}
> > \type{\hfrac{1}{3}}: \m{\hfrac{1}{3}}
> > \stoplines
>
> There’s also \vulgarfraction{1}{3} (but probably not suitable for your
> application).
>
> Hraban
>
>
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[NTG-context] Re: Fractions (was \placefigure[location=here...] problem)
Am 09.12.23 um 14:43 schrieb Wolfgang Schuster:
anton.chig...@mail.com schrieb am 09.12.2023 um 14:15:
\startlines
\type{\frac{1}{3}}: \m{\frac{1}{3}}
\type{\xfrac{1}{3}}: \m{\xfrac{1}{3}}
\type{\xxfrac{1}{3}}: \m{\xxfrac{1}{3}}
\type{\tfrac{1}{3}}: \m{\tfrac{1}{3}}
\type{\sfrac{1}{3}}: \m{\sfrac{1}{3}}
\type{\frac{1}{3}}: \m{\frac{1}{3}}
\type{\dfrac{1}{3}}: \m{\dfrac{1}{3}}
\type{\cfrac{1}{3}}: \m{\cfrac{1}{3}}
\type{\vfrac{1}{3}}: \m{\vfrac{1}{3}}
\type{\hfrac{1}{3}}: \m{\hfrac{1}{3}}
\stoplines
There’s also \vulgarfraction{1}{3} (but probably not suitable for your
application).
Hraban
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[NTG-context] Fractions (was \placefigure[location=here...] problem)
anton.chig...@mail.com schrieb am 09.12.2023 um 14:15:
I worked, ;-), thanks.
Let me ask you another thing, how can I avoid messing up the
line spacing by using \sqrt and \frac, the line that follows these has increased
line spacing in the pdf output
code:
Find the normal and shearing stresses on an oblique plane defined by
$l=\sqrt{\frac{3}{13}}$, $m=\sqrt{\frac{1}{13}}$, and $n=\sqrt{\frac{9}{13}}$.
Complete working minimal examples are preferred over code snippets.
To avoid single lines with different spacing you can either increase the
line spacing for all
lines with \setupinterlinespace or you use a different fraction command
which uses
smaller numbers or creates inline fractions.
\starttext
\startlines
\type{\frac{1}{3}}: \m{\frac{1}{3}}
\type{\xfrac{1}{3}}: \m{\xfrac{1}{3}}
\type{\xxfrac{1}{3}}: \m{\xxfrac{1}{3}}
\type{\tfrac{1}{3}}: \m{\tfrac{1}{3}}
\type{\sfrac{1}{3}}: \m{\sfrac{1}{3}}
\type{\frac{1}{3}}: \m{\frac{1}{3}}
\type{\dfrac{1}{3}}: \m{\dfrac{1}{3}}
\type{\cfrac{1}{3}}: \m{\cfrac{1}{3}}
\type{\vfrac{1}{3}}: \m{\vfrac{1}{3}}
\type{\hfrac{1}{3}}: \m{\hfrac{1}{3}}
\stoplines
\stoptext
Wolfgang
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[NTG-context] Re: Nested itemize
It seems that displaystyle fractions insert extra vertical space before the
main item.
With textstyle fractions, the code works fine.
\blank[back,overlay] can get rid of the gap above the first row, but not
the space inserted by \dfrac.
\defineitemgroup[alex]
\setupitemgroup
[alex]
[each]
[a,two]
[
margin=2cm,
before={\blank[overlay,-depth]},
after={\blank[nowhite]},
stopper=)
]
%\showboxes
\autofences
\starttext
\samplefile{ward}
\startitemize[n][style=\bf,before={\blank[back,overlay]},after={\blank[medium]}]
\startitem
\startalextable
\startitem
\m{6(x - \frac{5}{12})^2 - \frac{1}{24}}
\stopitem
\startitem
\m{-3(x - \frac{1}{3})^2 + \frac{1}{3}}
\stopitem
\startitem
\m{7(x + \frac{5}{14})^2 + \frac{199}{28}}
\stopitem
\startitem
\m{-\frac{1}{2}(x + 2)^2 + \frac{9}{2}}
\stopitem
\stopalextable
\stopitem
\stopitemize
\samplefile{ward}
\stoptext
Alexandre Christe 於 2023年8月22日 週二 下午5:48寫道：
> Hi Mikael,
>
> That looks very attractive. However, with the following code, I end up
> with a large gap above the first row.
>
> \defineitemgroup[alex]
>
> \setupitemgroup
> [alex]
> [each]
> [a,two]
> [
> margin=2cm,
> before=\blank[overlay,-depth],
> stopper=)
> ]
>
> \showboxes
> \autofences
>
> \starttext
> \samplefile{ward}
>
> \startitemize[n][style=\bf]
> \startitem
> \startalextable
> \startitem $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$ \stopitem
> \startitem $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$ \stopitem
> \startitem $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$ \stopitem
> \startitem $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$ \stopitem
> \stopalextable
> \stopitem
> \stopitemize
>
> \samplefile{ward}
> \stoptext
>
> A. Christe
> Le 22 août 2023 à 07:12 +0200, Alexandre Christe ,
> a écrit :
>
> It’s true that \vtop{…} does the job for a single line of items, but it
> doesn’t in the case there’re multiple (\vtop{}) aligns with the bottom.
>
> Here’s a modified MWE
>
> \startitemize[n][style=\bf]
> \item \godown[-\lineheight] \startitemize
> [a,columns,two,packed,broad][stopper=),before={\blank[nowhite]}]
> \item $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
> \item $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
> \item $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
> \item $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
> \stopitemize
> \stopitemize
>
> A. Christe
> Le 22 août 2023 à 04:08 +0200, fv leung , a écrit :
>
> I'd do it this way:
>
> \starttext
> \startitemize[n][style=\bf]
> \item\vtop{%
> \startitemize[a,horizontal,four][stopper=\)]
> \startitem
> $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
> \stopitem
> \startitem
> $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
> \stopitem
> \startitem
> $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
> \stopitem
> \startitem
> $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
> \stopitem
> \stopitemize
> }
> \stopitemize
>
> \stoptext
>
> Alexandre Christe 於 2023年8月22日 週二 上午2:58寫道：
>
>> Dear ConTeXt users,
>>
>> Time goes by but I haven't yet found a nice solution to this issue. When
>> having mathematics, I'd not like to adjust by hand the factor of \linewidth
>> for the \godown command.
>>
>> Here's a MWE
>>
>> \starttext
>>
>> \startitemize[n][style=\bf]
>> \item \godown[-\lineheight] \startitemize
>> [a,columns,four,packed,broad][stopper=),before={\blank[nowhite]}]
>> \item $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
>> \item $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
>> \item $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
>> \item $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
>> \stopitemize
>> \stopitemize
>>
>> \stoptext
>>
>> Thanks in advance.
>>
>> Le ven. 2 sept. 2022 à 11:24, fv leung via ntg-context <
>> ntg-context@ntg.nl> a écrit :
>>
>>>
>>> \starttext
>>>
>>> \startitemize[n]
>>> \item\godown[-\lineheight]
>>>
>>> \startitemize[a,columns,packed][before={\blank[nowhite]},right=\),stopper=]
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \stopitemize
>>> \item\godown[-\lineheight]
>>>
>>> \startitemize[a,columns,packed][before={\blank[nowhite]},n=3,right=\),stopper=]
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \stopitemize
>>> \item\godown[-\lineheight]
>>>
>>> \star
[NTG-context] Re: Nested itemize
Hi Mikael,
That looks very attractive. However, with the following code, I end up with a
large gap above the first row.
\defineitemgroup[alex]
\setupitemgroup
[alex]
[each]
[a,two]
[
margin=2cm,
before=\blank[overlay,-depth],
stopper=)
]
\showboxes
\autofences
\starttext
\samplefile{ward}
\startitemize[n][style=\bf]
\startitem
\startalextable
\startitem $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$ \stopitem
\startitem $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$ \stopitem
\startitem $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$ \stopitem
\startitem $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$ \stopitem
\stopalextable
\stopitem
\stopitemize
\samplefile{ward}
\stoptext
A. Christe
Le 22 août 2023 à 07:12 +0200, Alexandre Christe , a
écrit :
> It’s true that \vtop{…} does the job for a single line of items, but it
> doesn’t in the case there’re multiple (\vtop{}) aligns with the bottom.
>
> Here’s a modified MWE
>
> \startitemize[n][style=\bf]
> \item \godown[-\lineheight] \startitemize
> [a,columns,two,packed,broad][stopper=),before={\blank[nowhite]}]
> \item $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
> \item $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
> \item $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
> \item $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
> \stopitemize
> \stopitemize
>
> A. Christe
> Le 22 août 2023 à 04:08 +0200, fv leung , a écrit :
> > I'd do it this way:
> >
> > \starttext
> > \startitemize[n][style=\bf]
> > \item\vtop{%
> > \startitemize[a,horizontal,four][stopper=\)]
> > \startitem
> > $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
> > \stopitem
> > \startitem
> > $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
> > \stopitem
> > \startitem
> > $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
> > \stopitem
> > \startitem
> > $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
> > \stopitem
> > \stopitemize
> > }
> > \stopitemize
> >
> > \stoptext
> >
> > > Alexandre Christe 於 2023年8月22日 週二 上午2:58寫道：
> > > > Dear ConTeXt users,
> > > >
> > > > Time goes by but I haven't yet found a nice solution to this issue.
> > > > When having mathematics, I'd not like to adjust by hand the factor of
> > > > \linewidth for the \godown command.
> > > >
> > > > Here's a MWE
> > > >
> > > > \starttext
> > > >
> > > > \startitemize[n][style=\bf]
> > > > \item \godown[-\lineheight] \startitemize
> > > > [a,columns,four,packed,broad][stopper=),before={\blank[nowhite]}]
> > > > \item $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
> > > > \item $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
> > > > \item $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
> > > > \item $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
> > > > \stopitemize
> > > > \stopitemize
> > > >
> > > > \stoptext
> > > >
> > > > Thanks in advance.
> > > >
> > > > > Le ven. 2 sept. 2022 à 11:24, fv leung via ntg-context
> > > > > a écrit :
> > > > > >
> > > > > > \starttext
> > > > > >
> > > > > > \startitemize[n]
> > > > > > \item\godown[-\lineheight]
> > > > > >
> > > > > > \startitemize[a,columns,packed][before={\blank[nowhite]},right=\),stopper=]
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \stopitemize
> > > > > > \item\godown[-\lineheight]
> > > > > >
> > > > > > \startitemize[a,columns,packed][before={\blank[nowhite]},n=3,right=\),stopper=]
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \stopitemize
> > > > > > \item\godown[-\lineheight]
> > > > > >
> > > > > > \startitemize[a,columns,packed][before={\blank[nowhite]},n=4,right=\),stopper=]
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \item bla
> > > > > > \item bla
> > > > >
[NTG-context] Re: Nested itemize
Hi,
On Tue, Aug 22, 2023 at 7:16 AM Alexandre Christe
wrote:
>
> It’s true that \vtop{…} does the job for a single line of items, but it
> doesn’t in the case there’re multiple (\vtop{}) aligns with the bottom.
>
> Here’s a modified MWE
>
> \startitemize[n][style=\bf]
> \item \godown[-\lineheight] \startitemize
> [a,columns,two,packed,broad][stopper=),before={\blank[nowhite]}]
> \item $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
> \item $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
> \item $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
> \item $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
> \stopitemize
> \stopitemize
>
> A. Christe
> Le 22 août 2023 à 04:08 +0200, fv leung , a écrit :
>
> I'd do it this way:
>
> \starttext
> \startitemize[n][style=\bf]
> \item\vtop{%
> \startitemize[a,horizontal,four][stopper=\)]
> \startitem
> $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
> \stopitem
> \startitem
> $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
> \stopitem
> \startitem
> $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
> \stopitem
> \startitem
> $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
> \stopitem
> \stopitemize
> }
> \stopitemize
>
> \stoptext
>
> Alexandre Christe 於 2023年8月22日 週二 上午2:58寫道：
>>
>> Dear ConTeXt users,
>>
>> Time goes by but I haven't yet found a nice solution to this issue. When
>> having mathematics, I'd not like to adjust by hand the factor of \linewidth
>> for the \godown command.
>>
>> Here's a MWE
>>
>> \starttext
>>
>> \startitemize[n][style=\bf]
>> \item \godown[-\lineheight] \startitemize
>> [a,columns,four,packed,broad][stopper=),before={\blank[nowhite]}]
>> \item $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
>> \item $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
>> \item $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
>> \item $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
>> \stopitemize
>> \stopitemize
>>
>> \stoptext
>>
>> Thanks in advance.
>>
>> Le ven. 2 sept. 2022 à 11:24, fv leung via ntg-context
>> a écrit :
>>>
>>>
>>> \starttext
>>>
>>> \startitemize[n]
>>> \item\godown[-\lineheight]
>>>
>>> \startitemize[a,columns,packed][before={\blank[nowhite]},right=\),stopper=]
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \stopitemize
>>> \item\godown[-\lineheight]
>>>
>>> \startitemize[a,columns,packed][before={\blank[nowhite]},n=3,right=\),stopper=]
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \stopitemize
>>> \item\godown[-\lineheight]
>>>
>>> \startitemize[a,columns,packed][before={\blank[nowhite]},n=4,right=\),stopper=]
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \item bla
>>> \stopitemize
>>> \stopitemize
>>>
>>> \stoptext
>>>
>>> Alexandre Christe via ntg-context 於 2022年9月2日 週五
>>> 下午5:08寫道：
>>>>
>>>> Dear all,
>>>>
>>>> I'm struggling to setup a nested itemize with no blank line and several
>>>> columns.
>>>>
>>>> What I mean is something like
>>>> 1. a) bla c) bla
>>>> b) bla d) bla
>>>>
>>>> The following MWE is my starting point
>>>>
>>>> \starttext
>>>> \startitemize[n]
>>>> \item \blank[-line]
>>>> \startitemize[a,horizontal,two] [margin=2cm]
>>>> \item First
>>>> \item Second
>>>> \item Third
>>>> \item Fourth
>>>> \stopitemize
>>>> \item \blank[-line]
>>>> \startitemize[a,horizontal,columns,two]
>>>> \item First
>>>> \item Second
>>>> \item Third
>>>> \item Fourth
>>>> \stopitemize
>>>> \stopitemize
>>>> \stoptext
>>>>
>>>> Thanks in advance
Not really tested, but \blank[overlay,-depth] seems to work OK (thanks Hans!).
I also take the opportunity to push a bit for the new itemtable mechanism:
\defineitemgroup[alex]
\setupitemgroup
[alex]
[each]
[a,two]
[margin=2cm,
before=\blank[overlay,-depth]]
\showboxes
\starttext
\startitemize[n]
\startitem
\startalextable
\startitem First \stopitem
\startitem Second \stopitem
\startitem Third \stopitem
\startitem Fourth \stopitem
\stopalextable
\stopitem
\stopitemize
\stoptext
Please test for a larger document to see if it works well.
/Mikael
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[NTG-context] Re: Nested itemize
It’s true that \vtop{…} does the job for a single line of items, but it doesn’t
in the case there’re multiple (\vtop{}) aligns with the bottom.
Here’s a modified MWE
\startitemize[n][style=\bf]
\item \godown[-\lineheight] \startitemize
[a,columns,two,packed,broad][stopper=),before={\blank[nowhite]}]
\item $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
\item $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
\item $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
\item $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
\stopitemize
\stopitemize
A. Christe
Le 22 août 2023 à 04:08 +0200, fv leung , a écrit :
> I'd do it this way:
>
> \starttext
> \startitemize[n][style=\bf]
> \item\vtop{%
> \startitemize[a,horizontal,four][stopper=\)]
> \startitem
> $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
> \stopitem
> \startitem
> $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
> \stopitem
> \startitem
> $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
> \stopitem
> \startitem
> $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
> \stopitem
> \stopitemize
> }
> \stopitemize
>
> \stoptext
>
> > Alexandre Christe 於 2023年8月22日 週二 上午2:58寫道：
> > > Dear ConTeXt users,
> > >
> > > Time goes by but I haven't yet found a nice solution to this issue. When
> > > having mathematics, I'd not like to adjust by hand the factor of
> > > \linewidth for the \godown command.
> > >
> > > Here's a MWE
> > >
> > > \starttext
> > >
> > > \startitemize[n][style=\bf]
> > > \item \godown[-\lineheight] \startitemize
> > > [a,columns,four,packed,broad][stopper=),before={\blank[nowhite]}]
> > > \item $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
> > > \item $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
> > > \item $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
> > > \item $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
> > > \stopitemize
> > > \stopitemize
> > >
> > > \stoptext
> > >
> > > Thanks in advance.
> > >
> > > > Le ven. 2 sept. 2022 à 11:24, fv leung via ntg-context
> > > > a écrit :
> > > > >
> > > > > \starttext
> > > > >
> > > > > \startitemize[n]
> > > > > \item\godown[-\lineheight]
> > > > >
> > > > > \startitemize[a,columns,packed][before={\blank[nowhite]},right=\),stopper=]
> > > > > \item bla
> > > > > \item bla
> > > > > \item bla
> > > > > \item bla
> > > > > \stopitemize
> > > > > \item\godown[-\lineheight]
> > > > >
> > > > > \startitemize[a,columns,packed][before={\blank[nowhite]},n=3,right=\),stopper=]
> > > > > \item bla
> > > > > \item bla
> > > > > \item bla
> > > > > \item bla
> > > > > \item bla
> > > > > \item bla
> > > > > \stopitemize
> > > > > \item\godown[-\lineheight]
> > > > >
> > > > > \startitemize[a,columns,packed][before={\blank[nowhite]},n=4,right=\),stopper=]
> > > > > \item bla
> > > > > \item bla
> > > > > \item bla
> > > > > \item bla
> > > > > \item bla
> > > > > \item bla
> > > > > \item bla
> > > > > \item bla
> > > > > \stopitemize
> > > > > \stopitemize
> > > > >
> > > > > \stoptext
> > > > >
> > > > > > Alexandre Christe via ntg-context 於 2022年9月2日
> > > > > > 週五 下午5:08寫道：
> > > > > > > Dear all,
> > > > > > >
> > > > > > > I'm struggling to setup a nested itemize with no blank line and
> > > > > > > several columns.
> > > > > > >
> > > > > > > What I mean is something like
> > > > > > > 1. a) bla c) bla
> > > > > > > b) bla d) bla
> > > > > > >
> > > > > > > The following MWE is my starting point
> > > > > > >
> > > > > > > \starttext
> > > > > > > \startitemize[n]
> > > > > > > \item \blank[-line]
> > > > > > > \startitemize[a,horizontal,two] [margin=2cm]
> > > > > > > \item First
> > > > > > > \item Second
> > > > > > > \item T
[NTG-context] Re: Nested itemize
I'd do it this way:
\starttext
\startitemize[n][style=\bf]
\item\vtop{%
\startitemize[a,horizontal,four][stopper=\)]
\startitem
$6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
\stopitem
\startitem
$-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
\stopitem
\startitem
$7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
\stopitem
\startitem
$-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
\stopitem
\stopitemize
}
\stopitemize
\stoptext
Alexandre Christe 於 2023年8月22日 週二 上午2:58寫道：
> Dear ConTeXt users,
>
> Time goes by but I haven't yet found a nice solution to this issue. When
> having mathematics, I'd not like to adjust by hand the factor of \linewidth
> for the \godown command.
>
> Here's a MWE
>
> \starttext
>
> \startitemize[n][style=\bf]
> \item \godown[-\lineheight] \startitemize
> [a,columns,four,packed,broad][stopper=),before={\blank[nowhite]}]
> \item $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
> \item $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
> \item $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
> \item $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
> \stopitemize
> \stopitemize
>
> \stoptext
>
> Thanks in advance.
>
> Le ven. 2 sept. 2022 à 11:24, fv leung via ntg-context
> a écrit :
>
>>
>> \starttext
>>
>> \startitemize[n]
>> \item\godown[-\lineheight]
>>
>> \startitemize[a,columns,packed][before={\blank[nowhite]},right=\),stopper=]
>> \item bla
>> \item bla
>> \item bla
>> \item bla
>> \stopitemize
>> \item\godown[-\lineheight]
>>
>> \startitemize[a,columns,packed][before={\blank[nowhite]},n=3,right=\),stopper=]
>> \item bla
>> \item bla
>> \item bla
>> \item bla
>> \item bla
>> \item bla
>> \stopitemize
>> \item\godown[-\lineheight]
>>
>> \startitemize[a,columns,packed][before={\blank[nowhite]},n=4,right=\),stopper=]
>> \item bla
>> \item bla
>> \item bla
>> \item bla
>> \item bla
>> \item bla
>> \item bla
>> \item bla
>> \stopitemize
>> \stopitemize
>>
>> \stoptext
>>
>> Alexandre Christe via ntg-context 於 2022年9月2日 週五
>> 下午5:08寫道：
>>
>>> Dear all,
>>>
>>> I'm struggling to setup a nested itemize with no blank line and several
>>> columns.
>>>
>>> What I mean is something like
>>> 1. a) bla c) bla
>>> b) bla d) bla
>>>
>>> The following MWE is my starting point
>>>
>>> \starttext
>>> \startitemize[n]
>>> \item \blank[-line]
>>> \startitemize[a,horizontal,two] [margin=2cm]
>>> \item First
>>> \item Second
>>> \item Third
>>> \item Fourth
>>> \stopitemize
>>> \item \blank[-line]
>>> \startitemize[a,horizontal,columns,two]
>>> \item First
>>> \item Second
>>> \item Third
>>> \item Fourth
>>> \stopitemize
>>> \stopitemize
>>> \stoptext
>>>
>>> Thanks in advance
>>>
>>> ___
>>> If your question is of interest to others as well, please add an entry
>>> to the Wiki!
>>>
>>> maillist : ntg-context@ntg.nl /
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>>>
>>> ___
>>>
>>
>> ___
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>>
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>>
>> ___
>>
>
> ___
> If your question is of interest to others as well, please add an entry to
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>
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[NTG-context] Re: Nested itemize
Dear ConTeXt users,
Time goes by but I haven't yet found a nice solution to this issue. When
having mathematics, I'd not like to adjust by hand the factor of \linewidth
for the \godown command.
Here's a MWE
\starttext
\startitemize[n][style=\bf]
\item \godown[-\lineheight] \startitemize
[a,columns,four,packed,broad][stopper=),before={\blank[nowhite]}]
\item $6(x - \dfrac{5}{12})^2 - \dfrac{1}{24}$
\item $-3(x - \dfrac{1}{3})^2 + \dfrac{1}{3}$
\item $7(x + \dfrac{5}{14})^2 + \dfrac{199}{28}$
\item $-\dfrac{1}{2}(x + 2)^2 + \dfrac{9}{2}$
\stopitemize
\stopitemize
\stoptext
Thanks in advance.
Le ven. 2 sept. 2022 à 11:24, fv leung via ntg-context
a écrit :
>
> \starttext
>
> \startitemize[n]
> \item\godown[-\lineheight]
>
> \startitemize[a,columns,packed][before={\blank[nowhite]},right=\),stopper=]
> \item bla
> \item bla
> \item bla
> \item bla
> \stopitemize
> \item\godown[-\lineheight]
>
> \startitemize[a,columns,packed][before={\blank[nowhite]},n=3,right=\),stopper=]
> \item bla
> \item bla
> \item bla
> \item bla
> \item bla
> \item bla
> \stopitemize
> \item\godown[-\lineheight]
>
> \startitemize[a,columns,packed][before={\blank[nowhite]},n=4,right=\),stopper=]
> \item bla
> \item bla
> \item bla
> \item bla
> \item bla
> \item bla
> \item bla
> \item bla
> \stopitemize
> \stopitemize
>
> \stoptext
>
> Alexandre Christe via ntg-context 於 2022年9月2日 週五
> 下午5:08寫道：
>
>> Dear all,
>>
>> I'm struggling to setup a nested itemize with no blank line and several
>> columns.
>>
>> What I mean is something like
>> 1. a) bla c) bla
>> b) bla d) bla
>>
>> The following MWE is my starting point
>>
>> \starttext
>> \startitemize[n]
>> \item \blank[-line]
>> \startitemize[a,horizontal,two] [margin=2cm]
>> \item First
>> \item Second
>> \item Third
>> \item Fourth
>> \stopitemize
>> \item \blank[-line]
>> \startitemize[a,horizontal,columns,two]
>> \item First
>> \item Second
>> \item Third
>> \item Fourth
>> \stopitemize
>> \stopitemize
>> \stoptext
>>
>> Thanks in advance
>>
>> ___
>> If your question is of interest to others as well, please add an entry to
>> the Wiki!
>>
>> maillist : ntg-context@ntg.nl /
>> https://www.ntg.nl/mailman/listinfo/ntg-context
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>> wiki : https://contextgarden.net
>>
>> ___
>>
>
> ___
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
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>
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Re: [NTG-context] Problems with itemize with several columns
It seems that putting \column before itemize of 'c', forces 'c' together with
this content. Repeating this step produces what I want:
\startexercici[exercici:operacions-amb-fraccions-2]{multiplicació i divisió}
Opereu:
\startitemize[a, columns, three]
\item \startformula 3 \cdot \frac{5}{3} \stopformula
\item \startformula \frac{3}{4} \cdot \frac{2}{5} \stopformula
\column
\item \startformula \frac{1}{3} \cdot \frac{3}{4} \div \frac{1}{5} \stopformula
\item \startformula 5 \div \frac{7}{10} \cdot 7 \div \frac{2}{5} \stopformula
\column
\item \startformula \frac{1}{2} \cdot \frac{1}{2} \stopformula
\item \startformula \frac{3}{2} \div \frac{2}{3} \div \frac{5}{4} \stopformula
\column
\item \startformula \frac{2}{3} \colon \frac{2}{5} \stopformula
\item \startformula \frac{3}{4} \colon \frac{1}{2} \cdot 6 \stopformula
\item \startformula \frac{2}{3} \colon \frac{3}{4} \cdot \frac{1}{2}
\stopformula
\stopitemize
\stopexercici
@fv leung said I have to replace frac for dfrac, but it mess up the following
content in my book.
Thanks all,
On Thu, 24 Feb 2022 23:04:43 +
Bruce Horrocks ha escrit:
>
>
> > On 24 Feb 2022, at 22:10, Xavier B. via ntg-context
> > wrote:
> >
> > Even if I change
> > \startexercici[exercici:operacions-amb-fraccions-2]{multiplicació i
> > divisió} Opereu:
> > \startitemize[a, columns, three]
> >
> >
> > for
> >
> > \startexercici[exercici:operacions-amb-fraccions-2]{multiplicació i
> > divisió} Opereu:
> > \startitemize[a, columns]
> >
> >
> > the 'c' jumps.
> >
> > Isn't ConTeXt capable of handle that?
>
> Please see the attached PDF.
>
> The green line shows how much space is needed to fully print item (b). Item
> (c) will need the same amount of space, shown by the red line. However, this
> would take you into the footer area (shown by the blue arrows), so item (c)
> is split: the item label fits into the space at the bottom of the column and
> so is printed there; the fraction doesn't fit and so is moved to the next
> column.
>
> The solution to your problem would be some way of forcing the item body to
> stay with the label. I don't know what that command is - hopefully someone
> here does know.
>
> —
> Bruce Horrocks
> Hampshire, UK
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Re: [NTG-context] Problems with itemize with several columns
Avoid using \startformula \stopformula in itemize. Use \dfrac to get
display style fraction.
\defineenumeration
[exercici]
[alternative=serried, before={\blank[medium]\testpage[1]},
text={Exercici}, stopper={.\space}, width=fit, headstyle=\ss,
distance=0.25em, width=fit, headcolor=exercici_color, title=yes,
titlestyle=\ss, titledistance=0em, left={\bgroup\bf}, right={\egroup},
after={\blank[big]}, prefix=yes, prefixsegments=section, way=section]
\starttext
\section{Operacions amb fraccions}
\subject{Preguntes}
\startexercici[exercici:operacions-amb-fraccions-1]{suma i resta} Opereu:
\startitemize[a, columns, three]
\item\m{\dfrac{2}{7} + \dfrac{6}{7} - \dfrac{1}{7}}
\item\m{\dfrac{5}{8} + \dfrac{9}{8}}
\item\m{\dfrac{1}{4} + 5 - \dfrac{1}{4}}
\item\m{\dfrac{3}{5} - \dfrac{2}{5} + \dfrac{11}{5}}
\item\m{\dfrac{2}{3} + \dfrac{1}{4}}
\item\m{5 + \dfrac{4}{5}}
\item\m{\dfrac{2}{3} + \dfrac{5}{8} - \dfrac{1}{9}}
\item\m{10 - \dfrac{1}{6} + \dfrac{6}{8}}
\item\m{\dfrac{3}{10} + \dfrac{7}{12}}
\stopitemize
\stopexercici
\startexercici[exercici:operacions-amb-fraccions-2]{multiplicació i
divisió} Opereu:
\startitemize[a, columns, three]
\item\m{3 \cdot \dfrac{5}{3}}
\item\m{\dfrac{3}{4} \cdot \dfrac{2}{5}}
\item\m{\dfrac{1}{3} \cdot \dfrac{3}{4} \div \dfrac{1}{5}}
%\column
\item\m{5 \div \dfrac{7}{10} \cdot 7 \div \dfrac{2}{5}}
\item\m{\dfrac{1}{2} \cdot \dfrac{1}{2}}
\item\m{\dfrac{3}{2} \div \dfrac{2}{3} \div \dfrac{5}{4}}
%\column
\item\m{\dfrac{2}{3} \colon \dfrac{2}{5}}
\item\m{\dfrac{3}{4} \colon \dfrac{1}{2} \cdot 6}
\item\m{\dfrac{2}{3} \colon \dfrac{3}{4} \cdot \dfrac{1}{2}}
\stopitemize
\stopexercici
\startexercici[exercici:operacions-amb-fraccions-3]{operacions combinades}
\startitemize[a, columns, three]
\item\m{\dfrac{3}{4} + \dfrac{2}{5} \cdot \dfrac{1}{2}}
\item\m{\dfrac{2}{5} \div \dfrac{3}{5} - \dfrac{1}{4}}
\item\m{\left( 2 + \dfrac{3}{5} \right) \div \dfrac{4}{3}}
\item\m{\dfrac{2}{3} - \dfrac{5}{6}\cdot 8}
\item\m{4 + \dfrac{3}{5} - \left(2 - \dfrac{1}{2}\right)}
\item\m{4 \cdot \left(\dfrac{5}{6} - \dfrac{1}{4} + \dfrac{4}{9}\right)}
\item\m{\dfrac{5}{6} - \left(\dfrac{1}{5} + \dfrac{1}{3}\right)}
\item\m{\dfrac{5}{6} \div \left( \dfrac{2}{5} - \dfrac{1}{10}\right)}
\item\m{4 \cdot \dfrac{2}{3} \cdot \left(\dfrac{2}{4} \div
\dfrac{8}{10}\right)}
\item\m{\dfrac{3}{4} + \dfrac{1}{2} \cdot \dfrac{4}{10}}
\item\m{\dfrac{10}{12} - \left(\dfrac{1}{10} + \dfrac{3}{8}\right)}
\item\m{\left(\dfrac{1}{2} + 2\right) \cdot \left(2 - \dfrac{1}{4}\right)}
\item\m{\left(\dfrac{3}{4} + \dfrac{1}{4}\right) \div \left(\dfrac{5}{6} -
\dfrac{1}{3}\right)}
\item\m{5 + 10 - \dfrac{1}{10} + 25}
\item\m{\dfrac{1}{3} + \dfrac{1}{2} - \dfrac{2}{5}}
\item\m{\left(\dfrac{1}{2} + \dfrac{2}{10}\right) \cdot \dfrac{2}{6}}
\item\m{5 + \dfrac{1}{3} \cdot \dfrac{5}{3}}
\item\m{\left( 5 + \dfrac{1}{3} \right) \cdot \dfrac{5}{3}}
\stopitemize
\stopexercici
\stoptext
Xavier B. via ntg-context 於 2022年2月25日 週五 上午6:10寫道：
> Even if I change
> \startexercici[exercici:operacions-amb-fraccions-2]{multiplicació i
> divisió} Opereu:
> \startitemize[a, columns, three]
>
>
> for
>
> \startexercici[exercici:operacions-amb-fraccions-2]{multiplicació i
> divisió} Opereu:
> \startitemize[a, columns]
>
>
> the 'c' jumps.
>
> Isn't ConTeXt capable of handle that?
>
> ___
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@ntg.nl /
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>
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Re: [NTG-context] Typo in m-tikz
On Mon, 13 Dec 2021, Hans Hagen wrote:
> On 12/13/2021 7:19 PM, Aditya Mahajan via ntg-context wrote:
> > On Mon, 13 Dec 2021, Aditya Mahajan via ntg-context wrote:
> >
> > > Hi,
> > >
> > > There is a typo in m-tikz.mkxl (possibly a carry-over from t-tikz.tex).
> > > The module ends with a spurious `\stopmodule`:
> > >
> > > https://github.com/contextgarden/context-mirror/blob/fe714093ebb95e4a870282782e2124cff2e546e5/tex/context/modules/mkxl/m-tikz.mkxl#L113
> > >
> > > (Or rather, the corresponding `\startmodule` is missing).
> > > [...]
> > > And since tikz is a latex module, in the true LaTeX spirit, the error goes
> > > away (for obvious reasons) if I move the \usemodule[tikz] to after the
> > > font definitions. It took quite a while to figure out what is happening.
> >
> > Actually, the missing \startmodule is not a culprit for this error. Even
> > after fixing that, something goes wrong. Here is a minimal example:
> >
> > \permanent\protected\def\starttikzinput
> >{\pushoverloadmode
> > \pushcatcodetable
> > \setcatcodetable\texcatcodes
> > \unprotect
> > \catcode`\@=11
> > \catcode`\|=12
> > \catcode`\!=12
> > \autoparagraphmode\zerocount}
> >
> > \permanent\protected\def\stoptikzinput
> >{\autoparagraphmode\plusone
> > \protect
> > \popcatcodetable
> > \popoverloadmode}
> >
> > \starttikzinput
> > \input t-pgf
> > \stoptikzinput
> >
> >
> > \usetypescriptfile[euler]
> > \definetypeface[mainfont][rm][serif][pagella][default]
> > \definetypeface[mainfont][mm][math] [pagellaovereuler][default]
> > \definetypeface[mainfont][tt][mono] [dejavu][default] [rscale=0.8,
> > features=none]
> > \setupbodyfont[mainfont,11pt]
> >
> > \starttext
> > $\dfrac{1}{2}$
> > \stoptext
> >
> > which gives the same error: parameter 'fractionrule' in style 2 is not set
> >
> > Not sure what is happening here.
>
> can you test with the \protect \unprotect removed from these definitions?
That fixes the issue, both in the test file and in my bigger document.
Thanks,
Aditya
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Re: [NTG-context] Typo in m-tikz
On 12/13/2021 7:19 PM, Aditya Mahajan via ntg-context wrote:
On Mon, 13 Dec 2021, Aditya Mahajan via ntg-context wrote:
Hi,
There is a typo in m-tikz.mkxl (possibly a carry-over from t-tikz.tex). The
module ends with a spurious `\stopmodule`:
https://github.com/contextgarden/context-mirror/blob/fe714093ebb95e4a870282782e2124cff2e546e5/tex/context/modules/mkxl/m-tikz.mkxl#L113
(Or rather, the corresponding `\startmodule` is missing).
[...]
And since tikz is a latex module, in the true LaTeX spirit, the error goes away
(for obvious reasons) if I move the \usemodule[tikz] to after the font
definitions. It took quite a while to figure out what is happening.
Actually, the missing \startmodule is not a culprit for this error. Even after
fixing that, something goes wrong. Here is a minimal example:
\permanent\protected\def\starttikzinput
{\pushoverloadmode
\pushcatcodetable
\setcatcodetable\texcatcodes
\unprotect
\catcode`\@=11
\catcode`\|=12
\catcode`\!=12
\autoparagraphmode\zerocount}
\permanent\protected\def\stoptikzinput
{\autoparagraphmode\plusone
\protect
\popcatcodetable
\popoverloadmode}
\starttikzinput
\input t-pgf
\stoptikzinput
\usetypescriptfile[euler]
\definetypeface[mainfont][rm][serif][pagella][default]
\definetypeface[mainfont][mm][math] [pagellaovereuler][default]
\definetypeface[mainfont][tt][mono] [dejavu][default] [rscale=0.8,
features=none]
\setupbodyfont[mainfont,11pt]
\starttext
$\dfrac{1}{2}$
\stoptext
which gives the same error: parameter 'fractionrule' in style 2 is not set
Not sure what is happening here.
can you test with the \protect \unprotect removed from these definitions?
--
-
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Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
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Re: [NTG-context] Typo in m-tikz
On Mon, 13 Dec 2021, Aditya Mahajan via ntg-context wrote:
> Hi,
>
> There is a typo in m-tikz.mkxl (possibly a carry-over from t-tikz.tex). The
> module ends with a spurious `\stopmodule`:
>
> https://github.com/contextgarden/context-mirror/blob/fe714093ebb95e4a870282782e2124cff2e546e5/tex/context/modules/mkxl/m-tikz.mkxl#L113
>
> (Or rather, the corresponding `\startmodule` is missing).
> [...]
> And since tikz is a latex module, in the true LaTeX spirit, the error goes
> away (for obvious reasons) if I move the \usemodule[tikz] to after the font
> definitions. It took quite a while to figure out what is happening.
Actually, the missing \startmodule is not a culprit for this error. Even after
fixing that, something goes wrong. Here is a minimal example:
\permanent\protected\def\starttikzinput
{\pushoverloadmode
\pushcatcodetable
\setcatcodetable\texcatcodes
\unprotect
\catcode`\@=11
\catcode`\|=12
\catcode`\!=12
\autoparagraphmode\zerocount}
\permanent\protected\def\stoptikzinput
{\autoparagraphmode\plusone
\protect
\popcatcodetable
\popoverloadmode}
\starttikzinput
\input t-pgf
\stoptikzinput
\usetypescriptfile[euler]
\definetypeface[mainfont][rm][serif][pagella][default]
\definetypeface[mainfont][mm][math] [pagellaovereuler][default]
\definetypeface[mainfont][tt][mono] [dejavu][default] [rscale=0.8,
features=none]
\setupbodyfont[mainfont,11pt]
\starttext
$\dfrac{1}{2}$
\stoptext
which gives the same error: parameter 'fractionrule' in style 2 is not set
Not sure what is happening here.
Aditya
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[NTG-context] Typo in m-tikz
Hi,
There is a typo in m-tikz.mkxl (possibly a carry-over from t-tikz.tex). The
module ends with a spurious `\stopmodule`:
https://github.com/contextgarden/context-mirror/blob/fe714093ebb95e4a870282782e2124cff2e546e5/tex/context/modules/mkxl/m-tikz.mkxl#L113
(Or rather, the corresponding `\startmodule` is missing).
This causes an interesting error message on the following test file:
\usemodule[tikz]
\usetypescriptfile[euler]
\definetypeface[mainfont][rm][serif][pagella][default]
\definetypeface[mainfont][mm][math] [pagellaovereuler][default]
\definetypeface[mainfont][tt][mono] [dejavu][default] [rscale=0.8,
features=none]
\setupbodyfont[mainfont,11pt]
\starttext
$\dfrac{1}{2}$
\stoptext
which gives:
system > module wrapping error in 'tikz'
close source> level 2, order 67, name
'/opt/luametatex/texmf-context/tex/context/modules/mkxl/m-tikz.mkxl'
open source > level 2, order 68, name
'/opt/luametatex/texmf-context/tex/context/fonts/mkiv/type-imp-euler.mkiv'
open source > level 3, order 69, name
'/opt/luametatex/texmf-context/tex/context/fonts/mkiv/type-imp-texgyre.mkiv'
close source> level 3, order 69, name
'/opt/luametatex/texmf-context/tex/context/fonts/mkiv/type-imp-texgyre.mkiv'
open source > level 3, order 70, name
'/opt/luametatex/texmf-context/tex/context/fonts/mkiv/type-imp-dejavu.mkiv'
close source> level 3, order 70, name
'/opt/luametatex/texmf-context/tex/context/fonts/mkiv/type-imp-dejavu.mkiv'
suggestion > use \withcedilla instead of \c
suggestion > use \withcaron instead of \v
close source> level 2, order 70, name
'/opt/luametatex/texmf-context/tex/context/fonts/mkiv/type-imp-euler.mkiv'
open source > level 2, order 71, name
'/opt/luametatex/texmf-context/tex/context/fonts/mkiv/type-imp-texgyre.mkiv'
close source> level 2, order 71, name
'/opt/luametatex/texmf-context/tex/context/fonts/mkiv/type-imp-texgyre.mkiv'
fonts > typescripts > unknown library 'pagellaovereuler'
open source > level 2, order 72, name
'/opt/luametatex/texmf-context/tex/context/fonts/mkiv/type-imp-dejavu.mkiv'
close source> level 2, order 72, name
'/opt/luametatex/texmf-context/tex/context/fonts/mkiv/type-imp-dejavu.mkiv'
fonts > defining > font with asked name 'unknown' is not found using
lookup 'file'
fonts > defining > unable to define 'unknown' as
'mainfont-11pt-rm-tf-0--0'
fonts > defining > unable to define 'unknown' as
'mainfont-11pt-mm-mr--3'
fonts > defining > unable to define 'unknown' as
'mainfont-11pt-mm-mr--2'
fonts > defining > unable to define 'unknown' as
'mainfont-11pt-mm-mr--1'
fonts > defining > unable to define 'unknown' as
'mainfont-11pt-mm-mb--3'
fonts > defining > unable to define 'unknown' as
'mainfont-11pt-mm-mb--2'
fonts > defining > unable to define 'unknown' as
'mainfont-11pt-mm-mb--1'
tex error > tex error on line 10 in file ./test.tex: Math error:
parameter 'fractionrule' in style 2 is not set
$\dfrac{1}{2}$
And since tikz is a latex module, in the true LaTeX spirit, the error goes away
(for obvious reasons) if I move the \usemodule[tikz] to after the font
definitions. It took quite a while to figure out what is happening.
Aditya
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[NTG-context] Adjust the length of a frame
-- Forwarded message -
De : Fabrice Couvreur
Date: lun. 26 juil. 2021 à 13:13
Subject: Texte source 30 / 5000 Résultats de traduction Adjust the length
of a frame
To: mailing list for ConTeXt users
Hello,
Following on from my previous questions for writing my book (thanks again
Wolfgang), I have to create a solution environment like the attached image.
My problem is adjusting the length of the frame.
Thank you.
Fabrice
\setupbodyfont[newcomputermodern-book,11pt]
\defineframed
[ACFRAME]
[frame=off,
width=fit,
align=flushleft,
location=low,
background=color,
backgroundcolor=lightgray,
foregroundcolor=,
foregroundstyle=]
\setupenumerations
[before={\blank},
after={\blank},
alternative=top,
title=yes,
titleleft={},
titleright={},
titlestyle=bold,
width=broad]
\defineenumeration
[exercice]
[text=Exercice,
number=yes,
numbercommand=\groupedcommand{}{.},
style=italic]
\defineenumeration
[solution]
[text=Solution,
headcommand=\ACFRAME,
number=no,
numbercommand=\groupedcommand{}{},
style=normal]
\starttext
\startexercice{Le nombre d'or est irrationnel}
Le nombre d'or, noté \m{\phi}, est tel que
\m{\phi=\dfrac{1+\sqrt{5}}{2}}. Montrer que \m{\phi} est irrationnel.
\stopexercice
\startsolution
Nous raisonnons par l'absurde en supposant que \m{\phi} est rationnel.
\stopsolution
\stoptext
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Re: [NTG-context] Adjust the length of a frame
Le lun. 26 juil. 2021 à 13:13, Fabrice Couvreur
a écrit :
> Hello,
> Following on from my previous questions for writing my book (thanks again
> Wolfgang), I have to create a solution environment like the attached image.
> My problem is adjusting the length of the frame.
> Thank you.
> Fabrice
>
> \setupbodyfont[newcomputermodern-book,11pt]
>
> \defineframed
>[ACFRAME]
>[frame=off,
> width=fit,
> align=flushleft,
> location=low,
> background=color,
> backgroundcolor=lightgray,
> foregroundcolor=,
> foregroundstyle=]
>
>
> \setupenumerations
> [before={\blank},
>after={\blank},
>alternative=top,
>title=yes,
>titleleft={},
>titleright={},
>titlestyle=bold,
>width=broad]
>
> \defineenumeration
>[exercice]
>[text=Exercice,
> number=yes,
> numbercommand=\groupedcommand{}{.},
> style=italic]
>
> \defineenumeration
>[solution]
>[text=Solution,
> headcommand=\ACFRAME,
> number=no,
> numbercommand=\groupedcommand{}{},
> style=normal]
>
> \starttext
>
> \startexercice{Le nombre d'or est irrationnel}
> Le nombre d'or, noté \m{\phi}, est tel que
> \m{\phi=\dfrac{1+\sqrt{5}}{2}}. Montrer que \m{\phi} est irrationnel.
> \stopexercice
>
> \startsolution
> Nous raisonnons par l'absurde en supposant que \m{\phi} est rationnel.
> \stopsolution
>
> \stoptext
>
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[NTG-context] Texte source 30 / 5000 Résultats de traduction Adjust the length of a frame
Hello,
Following on from my previous questions for writing my book (thanks again
Wolfgang), I have to create a solution environment like the attached image.
My problem is adjusting the length of the frame.
Thank you.
Fabrice
\setupbodyfont[newcomputermodern-book,11pt]
\defineframed
[ACFRAME]
[frame=off,
width=fit,
align=flushleft,
location=low,
background=color,
backgroundcolor=lightgray,
foregroundcolor=,
foregroundstyle=]
\setupenumerations
[before={\blank},
after={\blank},
alternative=top,
title=yes,
titleleft={},
titleright={},
titlestyle=bold,
width=broad]
\defineenumeration
[exercice]
[text=Exercice,
number=yes,
numbercommand=\groupedcommand{}{.},
style=italic]
\defineenumeration
[solution]
[text=Solution,
headcommand=\ACFRAME,
number=no,
numbercommand=\groupedcommand{}{},
style=normal]
\starttext
\startexercice{Le nombre d'or est irrationnel}
Le nombre d'or, noté \m{\phi}, est tel que
\m{\phi=\dfrac{1+\sqrt{5}}{2}}. Montrer que \m{\phi} est irrationnel.
\stopexercice
\startsolution
Nous raisonnons par l'absurde en supposant que \m{\phi} est rationnel.
\stopsolution
\stoptext
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Re: [NTG-context] Problem with \dfrac{}{} with lmtx updated
On 12/24/2020 4:37 PM, Fabrice Couvreur wrote:
Hi,
I just updated lmtx and I don't understand the error that occurs with
the \dfrac{}{}. Thank you.
Fabrice
#
\starttext
\m{f(x)=\dfrac{a + b\ln(x)}{x}}
\stoptext
#
tex error > tex error on line 2 in file ./hans_21.tex: Math error:
parameter 'fractionnumup' in style 2 is not set
\math_m_nop #1->\relax \ifmmode #1\else \normalstartimath
#1\normalstopimath
\fi
\m{f(x)=\dfrac{a + b\ln(x)}{x}}
1 \starttext
2 >> \m{f(x)=\dfrac{a + b\ln(x)}{x}}
3 \stoptext
Sorry, but I can't typeset math unless various parameters have been set.
This is
normally done by loading special math fonts into the math family slots.
Your font
set is lacking at least the parameter mentioned earlier.
strange .. it works here ... i'll remake bins on the compile farm, maybe
something went wrong
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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[NTG-context] Problem with \dfrac{}{} with lmtx updated
Hi,
I just updated lmtx and I don't understand the error that occurs with the
\dfrac{}{}. Thank you.
Fabrice
#
\starttext
\m{f(x)=\dfrac{a + b\ln(x)}{x}}
\stoptext
#
tex error > tex error on line 2 in file ./hans_21.tex: Math error:
parameter 'fractionnumup' in style 2 is not set
\math_m_nop #1->\relax \ifmmode #1\else \normalstartimath
#1\normalstopimath
\fi
\m{f(x)=\dfrac{a + b\ln(x)}{x}}
1 \starttext
2 >> \m{f(x)=\dfrac{a + b\ln(x)}{x}}
3 \stoptext
Sorry, but I can't typeset math unless various parameters have been set.
This is
normally done by loading special math fonts into the math family slots.
Your font
set is lacking at least the parameter mentioned earlier.
mtx-context | fatal error: return code: 256
TeX Output exited abnormally with code 1 at Thu Dec 24 16:30:13
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Re: [NTG-context] Fwd: Continued fractions in ConTeXt
I've just tested it and it looks w a y better than before (thanks!). Btw,
where could I read about key-value pairs for ConTeXt fractions
(\definemathfraction)? I've seen keys like "threshold" and other weird ones
in the command list, so I ask about a reference (maybe somewhere in a
manual; the Garden doesn't say a lot about it). Thank you very much.
Sincerely,
Jairo :)
El lun., 29 de jun. de 2020 a la(s) 09:51, Hans Hagen (j.ha...@xs4all.nl)
escribió:
> On 6/28/2020 6:06 PM, Jairo A. del Rio wrote:
> > |Hi list! I've tried adapting the following code for continued
> fractions:|
> > ||
> >
> > |%
> https://tex.stackexchange.com/questions/73195/how-to-typeset-a-continued-fraction-in-the-following-format
> >
> \documentclass{article}\usepackage{amsmath}\begin{document}\newcommand*{\cofrac}[2]{%{%\rlap{$\dfrac{1}{\phantom{#1}}$}%\genfrac{}{}{0pt}{0}{}{#1+#2}%}%}\[a_0
>
> > +
> >
> \cofrac{a_1}{\cofrac{a_2}{\cofrac{a_3}{\genfrac{}{}{0pt}{0}{}{\ddots\]\end{document}
> >
> > |
> >
> > |As I could read from the mailing list, ConTeXt no longer supports
> > \genfrac, so I've tried
> > |
> >
> > |the following using \definemathfraction
> >
> > \definemathfraction[gefrac][cfrac]
> > \setupmathfraction[gefrac][rule=no]
> > \def\cofrac#1#2{%
> >{%
> > \rlap{\cfrac{1}{\displaystyle\phantom{#1}}}%
> > \gefrac{}{\displaystyle\gefrac{#1+}{}#2}%
> >}%
> > }
> > \def\cofracnorule#1#2{%
> > {%
> > \rlap{\gefrac{\displaystyle\phantom{1}}{\displaystyle\phantom{#1}}}%
> > \gefrac{}{\displaystyle\gefrac{#1}{}#2}%
> > }%
> > }
> > \def\endfrac#1{\cofracnorule{#1}{\phantom{1}}}
> > \startTEXpage
> > \startplacefigure[location=force,number=no]
> > \externalfigure[cofrac.png]
> > \stopplacefigure
> > \startformula
> > \alpha +
> >
> \cofrac{\alpha'}{\cofrac{\alpha''}{\cofrac{\alpha'''}{{\endfrac{\ddots}
> > \frac{1}{\alpha'''}
> > \stopformula
> > \stopTEXpage
> >
> > |
> >
> > |Mmm, superscripts and fraction rules superpose, so indeed something is
> > wrong. Any ideas or references to a better result?
> > |
> In the next version this will look okay:
>
> \definemathfraction
>[gefrac]
>[d:frac]
>
> \setupmathfraction
>[gefrac]
>[mathstyle=display,
> alternative=inner,
> rule=hidden]
>
> \unexpanded\def\cofrac#1#2{%
> \rlap{\cfrac{1}{\phantom{#1}}}%
> \gefrac{}{\gefrac{#1+}{}#2}%
> }
>
> \unexpanded\def\endfrac#1{%
> \rlap{\phantom{\cfrac{1}{#1}}}%
> \gefrac{}{#1}%
> }
>
> \starttext
>
> \startTEXpage
> \startformula \showmakeup[kern]
> \alpha
> +
> \cofrac {\alpha'}
> {\cofrac {\alpha''}
> {\cofrac {\alpha'''}
> {\endfrac {\ddots
> +
> \frac{1}{\alpha'''}
> \stopformula
> \stopTEXpage
>
> \stoptext
>
>
> -
>Hans Hagen | PRAGMA ADE
>Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
> tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -
>
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Re: [NTG-context] Fwd: Continued fractions in ConTeXt
On 6/28/2020 6:06 PM, Jairo A. del Rio wrote:
|Hi list! I've tried adapting the following code for continued fractions:|
||
|%https://tex.stackexchange.com/questions/73195/how-to-typeset-a-continued-fraction-in-the-following-format
\documentclass{article}\usepackage{amsmath}\begin{document}\newcommand*{\cofrac}[2]{%{%\rlap{$\dfrac{1}{\phantom{#1}}$}%\genfrac{}{}{0pt}{0}{}{#1+#2}%}%}\[a_0
+
\cofrac{a_1}{\cofrac{a_2}{\cofrac{a_3}{\genfrac{}{}{0pt}{0}{}{\ddots\]\end{document}
|
|As I could read from the mailing list, ConTeXt no longer supports
\genfrac, so I've tried
|
|the following using \definemathfraction
\definemathfraction[gefrac][cfrac]
\setupmathfraction[gefrac][rule=no]
\def\cofrac#1#2{%
{%
\rlap{\cfrac{1}{\displaystyle\phantom{#1}}}%
\gefrac{}{\displaystyle\gefrac{#1+}{}#2}%
}%
}
\def\cofracnorule#1#2{%
{%
\rlap{\gefrac{\displaystyle\phantom{1}}{\displaystyle\phantom{#1}}}%
\gefrac{}{\displaystyle\gefrac{#1}{}#2}%
}%
}
\def\endfrac#1{\cofracnorule{#1}{\phantom{1}}}
\startTEXpage
\startplacefigure[location=force,number=no]
\externalfigure[cofrac.png]
\stopplacefigure
\startformula
\alpha +
\cofrac{\alpha'}{\cofrac{\alpha''}{\cofrac{\alpha'''}{{\endfrac{\ddots}
\frac{1}{\alpha'''}
\stopformula
\stopTEXpage
|
|Mmm, superscripts and fraction rules superpose, so indeed something is
wrong. Any ideas or references to a better result?
|
In the next version this will look okay:
\definemathfraction
[gefrac]
[d:frac]
\setupmathfraction
[gefrac]
[mathstyle=display,
alternative=inner,
rule=hidden]
\unexpanded\def\cofrac#1#2{%
\rlap{\cfrac{1}{\phantom{#1}}}%
\gefrac{}{\gefrac{#1+}{}#2}%
}
\unexpanded\def\endfrac#1{%
\rlap{\phantom{\cfrac{1}{#1}}}%
\gefrac{}{#1}%
}
\starttext
\startTEXpage
\startformula \showmakeup[kern]
\alpha
+
\cofrac {\alpha'}
{\cofrac {\alpha''}
{\cofrac {\alpha'''}
{\endfrac {\ddots
+
\frac{1}{\alpha'''}
\stopformula
\stopTEXpage
\stoptext
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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[NTG-context] Fwd: Continued fractions in ConTeXt
Hi list! I've tried adapting the following code for continued fractions:
%https://tex.stackexchange.com/questions/73195/how-to-typeset-a-continued-fraction-in-the-following-format
\documentclass{article}\usepackage{amsmath}
\begin{document}\newcommand*{\cofrac}[2]{%
{%
\rlap{$\dfrac{1}{\phantom{#1}}$}%
\genfrac{}{}{0pt}{0}{}{#1+#2}%
}%}\[
a_0 +
\cofrac{a_1}{
\cofrac{a_2}{
\cofrac{a_3}{
\genfrac{}{}{0pt}{0}{}{\ddots}
}}}\]\end{document}
As I could read from the mailing list, ConTeXt no longer supports
\genfrac, so I've tried
the following using \definemathfraction
\definemathfraction[gefrac][cfrac]
\setupmathfraction[gefrac][rule=no]
\def\cofrac#1#2{%
{%
\rlap{\cfrac{1}{\displaystyle\phantom{#1}}}%
\gefrac{}{\displaystyle\gefrac{#1+}{}#2}%
}%
}
\def\cofracnorule#1#2{%
{%
\rlap{\gefrac{\displaystyle\phantom{1}}{\displaystyle\phantom{#1}}}%
\gefrac{}{\displaystyle\gefrac{#1}{}#2}%
}%
}
\def\endfrac#1{\cofracnorule{#1}{\phantom{1}}}
\startTEXpage
\startplacefigure[location=force,number=no]
\externalfigure[cofrac.png]
\stopplacefigure
\startformula
\alpha +
\cofrac{\alpha'}{\cofrac{\alpha''}{\cofrac{\alpha'''}{{\endfrac{\ddots}
\frac{1}{\alpha'''}
\stopformula
\stopTEXpage
Mmm, superscripts and fraction rules superpose, so indeed something is
wrong. Any ideas or references to a better result?
I've attached the expected result (it's from Legendre's Théorie des
nombres) and a normal fraction for comparison.
Thank you very much.
Jairo :)
fraccioncontinualegendre.pdf
Description: Adobe PDF document
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[NTG-context] page break
le nombre dérivé \m{h'(x)} est égal à
\m{-2}.
\stopitem
\blank
\startitem
{\bi Affirmation 4 :} La valeur exacte de la somme des 12 premiers
termes de la suite géométrique \m{\left(u_n\right)} de premier terme \m{4}
et de raison \m{\dfrac{1}{3}} est :
\startformula
6\left(1-\left(\frac{1}{3}\right)^{13}\right)
\stopformula
\stopitem
\stopitemize
\stoptext
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Re: [NTG-context] Fwd: Re: The binomial coefficients do not look optimal
On Sat, Sep 2, 2017 at 6:36 PM, Hans Hagen <pra...@wxs.nl> wrote:
>
>
>
> Forwarded Message
> Subject: Re: [NTG-context] The binomial coefficients do not look optimal
> Date: Sat, 2 Sep 2017 18:35:53 +0200
> From: Hans Hagen <pra...@wxs.nl>
> To: Mikael P. Sundqvist <mic...@gmail.com>
>
> On 9/2/2017 4:58 PM, Mikael P. Sundqvist wrote:
>
>> On Fri, Sep 1, 2017 at 7:49 PM, Hans Hagen <pra...@wxs.nl > pra...@wxs.nl>> wrote:
>>
>> On 9/1/2017 1:56 PM, Mikael P. Sundqvist wrote:
>>
>> Hi,
>>
>> I stumbled upon this (see the attached file for the result):
>>
>> %%% Test file
>> \setupbodyfont[10pt]
>> \starttext
>> \startTEXpage[offset=10pt]
>> \type{\tbinom{n}{k}}: $\tbinom{n}{k}$, (does not look good, the
>> vertical space between $n$ and $k$ is too big) \par
>> \type{\binom{n}{k}}: $\binom{n}{k}$ (looks fine to me)\par
>> \type{\dbinom{n}{k}}: $\dbinom{n}{k}$ (does not look good, too
>> big parenthesis, even for displayed formulas).\par
>> \stopTEXpage
>> \stoptext
>> %%% End of test file
>>
>> I think something should be changed to get the binomial
>> coefficients to look better. In particular I am concerned about
>> the rather big parenthesis in displaystyle (and not so much
>> about the vertical space issue in \tbinom).
>>
>> /Mikael
>>
>> PS The result looked better if I used the lucida fonts, if that
>> helps.
>>
>> This is indeed font dependent. These binoms use a low level tex
>> primitive that uses a threshold for steps and that one is part of
>> the math parameters of a font and these are not that good for lm. As
>> I'm looking into some other low level side effect I was in the mood
>> for a configuration option for \setupmathfractions.
>>
>> So, in the next beta you can get the effects iof the attached:
>>
>> - relate the threshold to the bodyfont size
>> - use normal left/right fences instead
>>
>> fwiw, cambria and pagella look better too. Upto you to wikify it.
>>
>> Hans
>>
>> -
>>Hans Hagen | PRAGMA ADE
>>Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>> tel: 038 477 53 69 | www.pragma-ade.nl
>> <http://www.pragma-ade.nl> | www.pragma-pod.nl
>> <http://www.pragma-pod.nl>
>> -
>>
>>
>> ___
>> If your question is of interest to others as well, please add an
>> entry to the Wiki!
>>
>> maillist : ntg-context@ntg.nl <mailto:ntg-context@ntg.nl> /
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>> webpage : http://www.pragma-ade.nl / http://context.aanhet.net
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>> <https://bitbucket.org/phg/context-mirror/commits/>
>> wiki : http://contextgarden.net
>>
>> ___
>>
>>
>> Thank you very much, I'm looking forward to the next beta, and I will try
>> to wikify it when I have tried it out. Also lucida looks better than latin
>> modern does at the moment.
>>
>> I am a bit confused about the different versions. I would have guessed
>> that there was \tbinom and \dbinom and that \binom used one of them
>> depending on if one is in text mode or in display mode (just as I would
>> expect \frac to behave like \tfrac in text mode and \dfrac in display
>> mode). But \tbinom looks very different from \binom in text mode (with more
>> vertical space). Is this on purpose? Have I missed something?
>>
> One can configure those things but the absense of rules and presence of
> fences matters too (all kind of inter-this-or-that and
> above-below-this-or-that playts a role).
>
> Hans
>
> -
> Hans Hagen | PRAGMA ADE
> Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
[NTG-context] Fwd: Re: The binomial coefficients do not look optimal
Forwarded Message
Subject: Re: [NTG-context] The binomial coefficients do not look optimal
Date: Sat, 2 Sep 2017 18:35:53 +0200
From: Hans Hagen <pra...@wxs.nl>
To: Mikael P. Sundqvist <mic...@gmail.com>
On 9/2/2017 4:58 PM, Mikael P. Sundqvist wrote:
On Fri, Sep 1, 2017 at 7:49 PM, Hans Hagen <pra...@wxs.nl
<mailto:pra...@wxs.nl>> wrote:
On 9/1/2017 1:56 PM, Mikael P. Sundqvist wrote:
Hi,
I stumbled upon this (see the attached file for the result):
%%% Test file
\setupbodyfont[10pt]
\starttext
\startTEXpage[offset=10pt]
\type{\tbinom{n}{k}}: $\tbinom{n}{k}$, (does not look good, the
vertical space between $n$ and $k$ is too big) \par
\type{\binom{n}{k}}: $\binom{n}{k}$ (looks fine to me)\par
\type{\dbinom{n}{k}}: $\dbinom{n}{k}$ (does not look good, too
big parenthesis, even for displayed formulas).\par
\stopTEXpage
\stoptext
%%% End of test file
I think something should be changed to get the binomial
coefficients to look better. In particular I am concerned about
the rather big parenthesis in displaystyle (and not so much
about the vertical space issue in \tbinom).
/Mikael
PS The result looked better if I used the lucida fonts, if that
helps.
This is indeed font dependent. These binoms use a low level tex
primitive that uses a threshold for steps and that one is part of
the math parameters of a font and these are not that good for lm. As
I'm looking into some other low level side effect I was in the mood
for a configuration option for \setupmathfractions.
So, in the next beta you can get the effects iof the attached:
- relate the threshold to the bodyfont size
- use normal left/right fences instead
fwiw, cambria and pagella look better too. Upto you to wikify it.
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl
<http://www.pragma-ade.nl> | www.pragma-pod.nl
<http://www.pragma-pod.nl>
-
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Thank you very much, I'm looking forward to the next beta, and I will
try to wikify it when I have tried it out. Also lucida looks better than
latin modern does at the moment.
I am a bit confused about the different versions. I would have guessed
that there was \tbinom and \dbinom and that \binom used one of them
depending on if one is in text mode or in display mode (just as I would
expect \frac to behave like \tfrac in text mode and \dfrac in display
mode). But \tbinom looks very different from \binom in text mode (with
more vertical space). Is this on purpose? Have I missed something?
One can configure those things but the absense of rules and presence of
fences matters too (all kind of inter-this-or-that and
above-below-this-or-that playts a role).
Hans
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
-
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Re: [NTG-context] The binomial coefficients do not look optimal
On Fri, Sep 1, 2017 at 7:49 PM, Hans Hagen <pra...@wxs.nl> wrote:
> On 9/1/2017 1:56 PM, Mikael P. Sundqvist wrote:
>
>> Hi,
>>
>> I stumbled upon this (see the attached file for the result):
>>
>> %%% Test file
>> \setupbodyfont[10pt]
>> \starttext
>> \startTEXpage[offset=10pt]
>> \type{\tbinom{n}{k}}: $\tbinom{n}{k}$, (does not look good, the vertical
>> space between $n$ and $k$ is too big) \par
>> \type{\binom{n}{k}}: $\binom{n}{k}$ (looks fine to me)\par
>> \type{\dbinom{n}{k}}: $\dbinom{n}{k}$ (does not look good, too big
>> parenthesis, even for displayed formulas).\par
>> \stopTEXpage
>> \stoptext
>> %%% End of test file
>>
>> I think something should be changed to get the binomial coefficients to
>> look better. In particular I am concerned about the rather big parenthesis
>> in displaystyle (and not so much about the vertical space issue in \tbinom).
>>
>> /Mikael
>>
>> PS The result looked better if I used the lucida fonts, if that helps.
>>
> This is indeed font dependent. These binoms use a low level tex primitive
> that uses a threshold for steps and that one is part of the math parameters
> of a font and these are not that good for lm. As I'm looking into some
> other low level side effect I was in the mood for a configuration option
> for \setupmathfractions.
>
> So, in the next beta you can get the effects iof the attached:
>
> - relate the threshold to the bodyfont size
> - use normal left/right fences instead
>
> fwiw, cambria and pagella look better too. Upto you to wikify it.
>
> Hans
>
> -
> Hans Hagen | PRAGMA ADE
> Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
> -
>
>
> ___
> If your question is of interest to others as well, please add an entry to
> the Wiki!
>
> maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/
> listinfo/ntg-context
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> archive : https://bitbucket.org/phg/context-mirror/commits/
> wiki : http://contextgarden.net
>
> ___
>
Thank you very much, I'm looking forward to the next beta, and I will try
to wikify it when I have tried it out. Also lucida looks better than latin
modern does at the moment.
I am a bit confused about the different versions. I would have guessed that
there was \tbinom and \dbinom and that \binom used one of them depending on
if one is in text mode or in display mode (just as I would expect \frac to
behave like \tfrac in text mode and \dfrac in display mode). But \tbinom
looks very different from \binom in text mode (with more vertical space).
Is this on purpose? Have I missed something?
/Mikael
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[NTG-context] Strange behavior with enumeration
Hi,
Level two items are not on the same baseline.
Thank you
Fabrice
\starttext
\startitemize[n]
\item 15\,\% d'un stock de 12\,000 jouets sont des jouets
\quotation{1\high{\tfxx er} âge}.
Le nombre de jouets \quotation{1\high{\tfxx er} âge} est :
\startitemize[columns,a,three]
\item \math{\dfrac{15}{100}\times 12\,000.}
\item \math{1\,500.}
\item \math{1\,800.}
\stopitemize
\stopitemize
\stoptext
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[NTG-context] Bug with Enumeration and \dfrac{}{} with Standalone ?
Hello,
I am posting again on the same subject but with more precision.
I use Standalone Context in its latest version.
We can observe that the alignment is not correct with \dfrac{}{} but it is
with {}\ over{}. But if I use Texlive 2016 there are no problems.
Thank you
Fabrice
#
\starttext
\startitemize[n][stopper={.},style=bold,color=darkred]
\item Soit \math{f} la fonction définie pour tout réel \m{x} différent de
\m{-1} par \math{f(x)=\dfrac{x+2}{x+1}} et \math{\cal C} sa courbe
représentative dans un repère du plan.
\startitemize[a][stopper={.},style=bold,color=darkred]
\item L'image de 3 par la fonction \math{f} est :
\startitemize[i,columns,joinedup,three]
[stopper={.},style=bold,color=darkred,grid=line]
\item \math{{14}\over {3}}
\item \math{{5}\over {4}}
\item \math{2}
\stopitemize
\startitemize[i,columns,joinedup,three]
[stopper={.},style=bold,color=darkred,grid=line]
\item \math{\dfrac{14}{3}}
\item \math{\dfrac{5}{4}}
\item \math{2}
\stopitemize
\stopitemize
\stopitemize
#
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Re: [NTG-context] Strange behavior with Enumerations
Hello,
I just updated Context Standalone, but the problem still exists.
With Texlive Context, it works.
Fabrice
Le 8 mai 2017 à 12:27, Fabrice Couvreur <fabrice1.couvr...@gmail.com> a
écrit :
> Hello,
> The alignment of the third level is incorrect, why ?
>
> ##
> \starttext
>
> \startitemize[n][stopper={.},style=bold,color=darkred]
>
>\item Soit \math{f} la fonction définie pour tout réel \m{x} différent
> de \m{-1} par \math{f(x)=\dfrac{x+2}{x+1}} et \math{\cal C} sa courbe
> représentative dans un repère du plan.
> \startitemize[a][stopper={.},style=bold,color=darkred]
>\item L'image de 3 par la fonction \math{f} est :
>
> \startitemize[i,columns,joinedup,pack,1*broad,three]
> [stopper={.},style=bold,color=darkred,grid=line]
>
> \item \math{\dfrac{14}{3}}
>
> \item \math{\dfrac{5}{4}}
>
> \item \math{2}
>
> \stopitemize
> \stopitemize
> \stopitemize
>
>
> \stoptext
>
> ###
>
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[NTG-context] Strange behavior with Enumerations
Hello,
The alignment of the third level is incorrect, why ?
##
\starttext
\startitemize[n][stopper={.},style=bold,color=darkred]
\item Soit \math{f} la fonction définie pour tout réel \m{x} différent
de \m{-1} par \math{f(x)=\dfrac{x+2}{x+1}} et \math{\cal C} sa courbe
représentative dans un repère du plan.
\startitemize[a][stopper={.},style=bold,color=darkred]
\item L'image de 3 par la fonction \math{f} est :
\startitemize[i,columns,joinedup,pack,1*broad,three]
[stopper={.},style=bold,color=darkred,grid=line]
\item \math{\dfrac{14}{3}}
\item \math{\dfrac{5}{4}}
\item \math{2}
\stopitemize
\stopitemize
\stopitemize
\stoptext
###
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[NTG-context] Math fractions
Something is wrong in the current implmentation of \tfrac.
If we take away all the bells and whistles provided by
\definemathfraction,
* \tfrac#1#2 should be equal to {\textstyle #2 \over #1}
* \dfrac#1#2 should be equal to {\displaystyle #2 \over #1}
* \frac should be equal to \tfrac in inline math and \dfrac in display
math.
In the current implmentation \frac works correctly, but \tfrac does not.
For example:
\startbuffer
\frac 12 \tfrac 12 \dfrac 12
\stopbuffer
\starttext
$\getbuffer$
\startformula \getbuffer \stopformula
\stoptext
The output of \frac and \dfrac is correct in both inline and display mode.
The output of \tfrac is wrong in both modes. In both modes, \tfrac should
equal the current output of \frac in inline mode.
Although I don't completely understand the code, my guess is that there is
a bug in how mathstyle=text is implemented (really, mathstyle=text should
be equivalent to mathstyle=empty in inline math mode).
Thanks,
Aditya
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Re: [NTG-context] Alignment on the baseline in a itemize environment with \dfrac{}{}
Hi Wolfgang, Thank you for these three solutions. One thing I'm missing is the role of grid I did not know. Fabrice ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] Alignment on the baseline in a itemize environment with \dfrac{}{}
Am 22.03.2015 um 13:10 schrieb Fabrice Couvreur fabrice1.couvr...@gmail.com:
The alignment of the second item on the baseline is not correct if I use the
command \dfrac{}{}.
How to solve this problem without using the command \framed ?
Best regards,
Fabrice
\starttext
\startitemize[columns,A,joinedup,three][stopper={)},style=bold]
\item $f^{\prime}(x) = \dfrac{- 1}{(x + 1)^2}$
\item $f^{\prime}(x) = 1$
\item $f^{\prime}(x) = \dfrac{1}{x + 1}$
\stopitemize
\stoptext
1. You change your formulas.
\starttext
\startitemize[columns,A,joinedup,three][stopper={)},style=bold,grid=line]
\item $f^{\prime}(x) = - 1 / (x + 1)^2$
\item $f^{\prime}(x) = 1$
\item $f^{\prime}(x) = 1 / (x + 1)$
\stopitemize
\stoptext
2. You enable grid snapping for the columns in the itemize environment with the
grid key.
\starttext
\startitemize[columns,A,joinedup,three][stopper={)},style=bold,grid=line]
\item $f^{\prime}(x) = \dfrac{- 1}{(x + 1)^2}$
\item $f^{\prime}(x) = 1$
\item $f^{\prime}(x) = \dfrac{1}{x + 1}$
\stopitemize
\stoptext
3. You increase the line height for the columns in the itemize environment.
\setupmixedcolumns[itemgroupcolumns][before={\setupinterlinespace[big]}]
\starttext
\startitemize[columns,A,joinedup,three][stopper={)},style=bold]
\item $f^{\prime}(x) = \dfrac{- 1}{(x + 1)^2}$
\item $f^{\prime}(x) = 1$
\item $f^{\prime}(x) = \dfrac{1}{x + 1}$
\stopitemize
\stoptext
Wolfgang
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[NTG-context] Alignment on the baseline in a itemize environment with \dfrac{}{}
The alignment of the second item on the baseline is not correct if I use the
command \dfrac{}{}.
How to solve this problem without using the command \framed ?
Best regards,
Fabrice
\starttext
\startitemize[columns,A,joinedup,three][stopper={)},style=bold]
\item $f^{\prime}(x) = \dfrac{- 1}{(x + 1)^2}$
\item $f^{\prime}(x) = 1$
\item $f^{\prime}(x) = \dfrac{1}{x + 1}$
\stopitemize
\stoptext
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Re: [NTG-context] numerator is too high in \frac{3}{4}, in palatino
Hans Hagen pra...@wxs.nl writes:
these are font properties and using a consistent opentype math versus
a bunch of loosely related type one fonts makes a difference
But shouldn't TeXGyrePagellaMath qualify?
I've added:
\starttext
$\displaystyle 1+{2g\over3}+{2\over3}$ \blank
\setupmathfractions[topdistance=0pt]
$\displaystyle 1+{2g\over3}+{2\over3}$ \blank
\setupmathfractions[bottomdistance=0pt]
$\displaystyle 1+{2g\over3}+{2\over3}$ \blank
\setupmathfractions[topdistance=0pt,bottomdistance=0pt]
$\displaystyle 1+{2g\over3}+{2\over3}$ \blank
\stoptext
Thanks, Hans. That is very useful.
I also recompiled my textbook draft using the latest beta (2014.05.17),
and it works very well. I tried the topdistance and bottomdistance and
they are mostly working. To my eye, with topdistance=6pt, the {1\over2}
looks very good again.
However, the settings don't seem to affect fractions inside square
roots. Here's an example (the 20pt setting is to exaggerate the
possible effect), using 2014.05.17 beta.
\starttext
\placeformula\startformula
\dfrac{ag}{bcd}\quad{ag\over bcd}
\stopformula
\placeformula\startformula
\sqrt{1\over \dfrac{a}{bcd}}
\quad
\sqrt{\dfrac{1}{\dfrac{a}{bcd}}}
\stopformula
\setupmathfractions [topdistance=20pt]
\placeformula\startformula
\dfrac{ag}{bcd}\quad{ag\over bcd}
\stopformula
\placeformula\startformula
\sqrt{1\over \dfrac{a}{bcd}}
\quad
\sqrt{\dfrac{1}{\dfrac{a}{bcd}}}
\stopformula
\stoptext
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[NTG-context] Table next to a text in an environment of type list
Hi,
How to improve this code to make the table to the right of the text in the
environment list ?
\midaligned{\tfb Cadres en entreprise}
\blank
On compte 67 femmes dans une entreprise de 160 personnes.
Parmi les personnes de cette entreprise, il y a 32 cadres dont 15 femmes.
\startitemize[n][stopper=),style=bold]
\item Recopier le tableau ci-contre.
\startitemize[n][stopper=),style=bold]
\setuphanging[location=right]
\starthanging{%
\bTABLE[align={middle,lohi}]
\bTR\bTD {} \eTD \bTD {\bf Femmes} \eTD \bTD {\bf Hommes} \eTD \bTD {\bf
Total} \eTD \eTR
\bTR \bTD {\bf Cadres} \eTD \bTD {15} \eTD \bTD {} \eTD \bTD {32} \eTD
\bTR \bTD {\bf Autres employés} \eTD \bTD {} \eTD \bTD {} \eTD \bTD {}
\eTD \eTR
\bTR \bTD {\bf Total} \eTD \bTD {67} \eTD \bTD {} \eTD \bTD 160{} \eTD
\eTR
\eTABLE}
\stophanging
\item Parmi les 160 personnes de cette entreprise, on en choisit une au
hasard.
On considère les événements suivants :
\startitemize[2]
\item F : \quotation{la personne choisie est une femme} ;
\item C : \quotation{la personne choisie est un cadre}.
\stopitemize
\startitemize[a][stopper=),style=bold]
\item Définir par une phrase les événements \math{\overline{C}}, \math{F
\cap C} et \math{F\cap\overline{C}}.
\item Calculer les probabilités \math{P(F)}, \math{P(C)},
\math{P(\overline{C})}, \math{P(F \cap C)} et \math{P(F \cap
\overline{C})}.
\stopitemize
\item \startitemize[a][stopper=),style=bold]
\item La personne choisie est un cadre de l'entreprise. Quelle est la
probabilité que ce soit une femme ?
{\it On note \math{P_{C}(F)} cette probabilité.}
\item Calculer \math{\dfrac{P(F \cap C)}{P(C)}}. Que constate-t-on ?
\stopitemize
\item \startitemize[a][stopper=),style=bold]
\item On choisit une femme parmi les personnes de l'entreprise. Quelle est
la probabilité qu'elle soit cadre ?
{\it On note \math{P_{F}(C)} cette probabilité.}
\item Exmpliquer pourquoi on obtient le résultat de la question précédente
en calculant \math{\dfrac{P(C \cap F)}{P(F)}}.
\stopitemize
\item Que représentent en termes de probabilités les quotients
\math{\dfrac{52}{67}} et \math{\dfrac{52}{128}} ?
\stopitemize
\stoptext
Regards,
Fabrice
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Re: [NTG-context] Math typesetting problems
On 1/29/2013 12:20 AM, Khaled Hosny wrote:
On Mon, Jan 28, 2013 at 09:33:52PM +0100, Wolfgang Schuster wrote:
The \frac command uses \vcenter for the content while \dfrac and
\tfrac only set the mathstyle before placing the content with the
\over primitive.
The use of \vcenter seems odd here as it means the fraction rule will no
longer guranteed to be centered around the math axis:
\starttext
\math{-\frac{a^{2^{2^2}}}{a} {a^{2^{2^2}}\over a}}
\stoptext
Also, why \frac is forcing text style fractions even in display mode?
\starttext
\startformula
-\frac{a^{2^{2^2}}}{a} {a^{2^{2^2}}\over a}
\stopformula
\stoptext
Both behaviours are different from MkII.
I redid the mkiv code ... configurable, defineable, inheritable ... the
whole lot
\starttext
\definemathfraction[myfrac] [mathstyle=script]
\definemathfraction[myfracx][mathstyle=script,alternative=outer]
\startformula
{a^{2^{2^2}}\over a}
\frac{a^{2^{2^2}}}{a}
\frac{a^{2}}{b}
\myfrac{a^{2}}{b}
\myfracx{a^{2}}{b}
\stopformula
\stoptext
-
Hans Hagen | PRAGMA ADE
Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com
| www.pragma-pod.nl
-
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Re: [NTG-context] Math typesetting problems
Indeed it seems like the alignment is good with \dfrac, but this does
not solve my problem, since I wish to also use fractions with
script-size or scriptscript-size (\xfrac, \xxfrac). The specific
formula I have is
\startformula
f_{B_t | B_s = S, B_u = U}(x) = \frac{e^{-\frac{(u-s)x^2 - 2x(S(u-t) +
U(t-s)) + \frac{(S(u-t) +
U(t-s))^2}{(u-s)}}{2(t-s)(u-t)}}}{\sqrt{2\pi\frac{(t-s)(u-t)}{u-s}}}
\stopformula
Thanks,
Janne
Roland wrote:
With \dfrac it looks good.
With \fraction the minus sign is on the top of the fraction.
Best regards, Roland
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Re: [NTG-context] Math typesetting problems
Le 28 janv. 13 à 10:11, Janne Junnila a écrit :
Indeed it seems like the alignment is good with \dfrac, but this does
not solve my problem, since I wish to also use fractions with
script-size or scriptscript-size (\xfrac, \xxfrac). The specific
formula I have is
\startformula
f_{B_t | B_s = S, B_u = U}(x) = \frac{e^{-\frac{(u-s)x^2 - 2x(S(u-t) +
U(t-s)) + \frac{(S(u-t) +
U(t-s))^2}{(u-s)}}{2(t-s)(u-t)}}}{\sqrt{2\pi\frac{(t-s)(u-t)}{u-s}}}
\stopformula
Thanks,
Janne
OK !
So you need an expert, I'm just a newbie :)
I would be interested to know how to do that.
Best, Roland
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Re: [NTG-context] Math typesetting problems
On Mon, 28 Jan 2013, Roland Thiers wrote:
Le 28 janv. 13 à 10:11, Janne Junnila a écrit :
Indeed it seems like the alignment is good with \dfrac, but this does
not solve my problem, since I wish to also use fractions with
script-size or scriptscript-size (\xfrac, \xxfrac). The specific
formula I have is
\startformula
f_{B_t | B_s = S, B_u = U}(x) = \frac{e^{-\frac{(u-s)x^2 - 2x(S(u-t) +
U(t-s)) + \frac{(S(u-t) +
U(t-s))^2}{(u-s)}}{2(t-s)(u-t)}}}{\sqrt{2\pi\frac{(t-s)(u-t)}{u-s}}}
\stopformula
Thanks,
Janne
OK !
So you need an expert, I'm just a newbie :)
I would be interested to know how to do that.
Best, Roland
I'll look into fractions later this week. All the fraction macros of
ConTeXt were based on \genfrac macro from AMSTeX so, in principle, they
should behave in the same manner.
Aditya___
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Re: [NTG-context] Math typesetting problems
Am 28.01.2013 um 20:41 schrieb Aditya Mahajan adit...@umich.edu:
On Mon, 28 Jan 2013, Roland Thiers wrote:
Le 28 janv. 13 à 10:11, Janne Junnila a écrit :
Indeed it seems like the alignment is good with \dfrac, but this does
not solve my problem, since I wish to also use fractions with
script-size or scriptscript-size (\xfrac, \xxfrac). The specific
formula I have is
\startformula
f_{B_t | B_s = S, B_u = U}(x) = \frac{e^{-\frac{(u-s)x^2 - 2x(S(u-t) +
U(t-s)) + \frac{(S(u-t) +
U(t-s))^2}{(u-s)}}{2(t-s)(u-t)}}}{\sqrt{2\pi\frac{(t-s)(u-t)}{u-s}}}
\stopformula
Thanks,
Janne
OK !
So you need an expert, I'm just a newbie :)
I would be interested to know how to do that.
Best, Roland
I'll look into fractions later this week. All the fraction macros of ConTeXt
were based on \genfrac macro from AMSTeX so, in principle, they should behave
in the same manner.
The \frac command uses \vcenter for the content while \dfrac and \tfrac only
set the mathstyle before placing the content with the \over primitive.
Wolfgang
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Re: [NTG-context] Math typesetting problems
On Mon, 28 Jan 2013, Wolfgang Schuster wrote: I'll look into fractions later this week. All the fraction macros of ConTeXt were based on \genfrac macro from AMSTeX so, in principle, they should behave in the same manner. The \frac command uses \vcenter for the content while \dfrac and \tfrac only set the mathstyle before placing the content with the \over primitive. Then something has been lost in the MkII - MkIV transition. I am pretty sure (cannot check right now), that the code in MkII used \genfrac (which is a fancy wrapper around \over \ovewithdelim etc) Aditya ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] Math typesetting problems
Hi Janne,
Personnally I prefer to use the Plain TeX alternative \over (which works fine
in ConTeXt), that is
${a \over b}$
instead of
$\frac{a}{b}$
Compare the following two outputs in the example you want to typeset: I think
the second is more or less what you want
\starttext
Using \type{\frac} gives:
\startformula
f_{B_t | B_s = S, B_u = U}(x) = \frac{e^{-\frac{(u-s)x^2 - 2x(S(u-t) +
U(t-s)) + \frac{(S(u-t) +
U(t-s))^2}{(u-s)}}{2(t-s)(u-t)}}}{\sqrt{2\pi\frac{(t-s)(u-t)}{u-s}}}
\stopformula
\blank
Using \type{\over} gives:
\startformula
f_{B_t | B_s = S, B_u = U}(x) = {
e^{-{(u-s)x^2 - 2x(S(u-t) + U(t-s)) +
{(S(u-t) + U(t-s))^2 \over (u-s)} \over 2(t-s)(u-t)}} \over
\sqrt{2\pi {(t-s)(u-t) \over u-s}}}
\stopformula
\stoptext
Best regards: OK
On 28 janv. 2013, at 10:11, Janne Junnila janne.junn...@gmail.com wrote:
Indeed it seems like the alignment is good with \dfrac, but this does
not solve my problem, since I wish to also use fractions with
script-size or scriptscript-size (\xfrac, \xxfrac). The specific
formula I have is
\startformula
f_{B_t | B_s = S, B_u = U}(x) = \frac{e^{-\frac{(u-s)x^2 - 2x(S(u-t) +
U(t-s)) + \frac{(S(u-t) +
U(t-s))^2}{(u-s)}}{2(t-s)(u-t)}}}{\sqrt{2\pi\frac{(t-s)(u-t)}{u-s}}}
\stopformula
Thanks,
Janne
Roland wrote:
With \dfrac it looks good.
With \fraction the minus sign is on the top of the fraction.
Best regards, Roland
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Re: [NTG-context] Math typesetting problems
Am 28.01.2013 um 21:48 schrieb Aditya Mahajan adit...@umich.edu: On Mon, 28 Jan 2013, Wolfgang Schuster wrote: I'll look into fractions later this week. All the fraction macros of ConTeXt were based on \genfrac macro from AMSTeX so, in principle, they should behave in the same manner. The \frac command uses \vcenter for the content while \dfrac and \tfrac only set the mathstyle before placing the content with the \over primitive. Then something has been lost in the MkII - MkIV transition. I am pretty sure (cannot check right now), that the code in MkII used \genfrac (which is a fancy wrapper around \over \ovewithdelim etc) Yes, MkII uses \genfrac but in MkIV the command is no longer available and all fraction commands have been rewritten. Wolfgang ___ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___
Re: [NTG-context] Math typesetting problems
On Mon, Jan 28, 2013 at 09:33:52PM +0100, Wolfgang Schuster wrote:
The \frac command uses \vcenter for the content while \dfrac and
\tfrac only set the mathstyle before placing the content with the
\over primitive.
The use of \vcenter seems odd here as it means the fraction rule will no
longer guranteed to be centered around the math axis:
\starttext
\math{-\frac{a^{2^{2^2}}}{a} {a^{2^{2^2}}\over a}}
\stoptext
Also, why \frac is forcing text style fractions even in display mode?
\starttext
\startformula
-\frac{a^{2^{2^2}}}{a} {a^{2^{2^2}}\over a}
\stopformula
\stoptext
Both behaviours are different from MkII.
Regards,
Khaled
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Re: [NTG-context] Math typesetting problems
Le 27 janv. 13 à 12:52, Janne Junnila a écrit :
Hi all,
Another problem I have is related to the positioning of minus signs
in front of fractions. I would expect the minus sign to align with
the horizontal line of the fraction, as it does on LaTeX. Below is
an example formula to illustrate my point. The result seems to be
independent of the font in use.
\startformula
-\frac{e^{\frac{4}{5}}}{4}
\stopformula
Janne
Hi Janne,
With \dfrac it looks good.
With \fraction the minus sign is on the top of the fraction.
Best regards, Roland
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Re: [NTG-context] Context and metapost: using \frac
Am 26.04.2011 um 13:36 schrieb Matthieu Stigler:
Le 26/04/2011 12:36, Hans Hagen a écrit :
On 26-4-2011 12:02, Matthieu Stigler wrote:
Dear Hans
Thanks for your quick answer! I was however not able to produce the
graph with the textext code... Should I actually then use another
compiler? I tried with context and texexec (I thought texexec is the
compiler for mkiv, right? I'm on linux ubuntu).
no, use the 'context' command as texexec is for mkii
ok, so I was using the right compiler I get a mystake while trying to
compile a file with the code you sent... you didn't? Would you be so nice and
send complete file, so I can check what is wrong?
I saw also that, as you mention, context has a \frac:
http://wiki.contextgarden.net/Math_with_newmat
indeed, \frac is already there for a long time (ams compatible command)
btw, in mkiv there is no m-newmath
I tried then to simply add \usemodule[newmat] and compile with context,
but did not work... Code below, error message below below...
! Math error: parameter \Umathfraction_del_size\displaystyle is not set.
l.3 ...t{411}{$\displaystyle \frac {\sigma _t}{a}$
}
inserted text ...ore.mp ; fi ; ;;;]===], false)}
make sure that a font is loaded that has math before \starttext is seen
(try with \setupbodyfont[palatino] at the top of your file)
this does not work neither I still get error message with this code:
\usemodule[newmat]
\setupbodyfont[palatino]
\starttext
\startMPpage
label.top(textext($ \frac{\sigma_t}{a}$) scaled 1.00, (1, 1));
%label.top(btex $ \frac{\sigma_t}{a}$ etex, (0, 10));
%label.top(textext( $\displaystyle \frac{\sigma_t}{a}$ ) scaled 1.00, (1,
1));
\stopMPpage
\stoptext
Hi,
this works for me.
\setupbodyfont[palatino]
\startMPpage[offset=1ex]
u := cm ;
label.top(textext($ \frac{\sigma_t}{a}$) scaled 2, origin);
label.top(textext($ \frac{\sigma_t}{a}$), (u,u));
label.top(textext($\dfrac{\sigma_t}{a}$) scaled .5, (u,0));
\stopMPpage
Greeting
Andreas
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Re: [NTG-context] Context and metapost: using \frac
Le 26/04/2011 16:33, Andreas Harder a écrit :
Am 26.04.2011 um 13:36 schrieb Matthieu Stigler:
Le 26/04/2011 12:36, Hans Hagen a écrit :
On 26-4-2011 12:02, Matthieu Stigler wrote:
Dear Hans
Thanks for your quick answer! I was however not able to produce the
graph with the textext code... Should I actually then use another
compiler? I tried with context and texexec (I thought texexec is the
compiler for mkiv, right? I'm on linux ubuntu).
no, use the 'context' command as texexec is for mkii
ok, so I was using the right compiler I get a mystake while trying to
compile a file with the code you sent... you didn't? Would you be so nice and
send complete file, so I can check what is wrong?
I saw also that, as you mention, context has a \frac:
http://wiki.contextgarden.net/Math_with_newmat
indeed, \frac is already there for a long time (ams compatible command)
btw, in mkiv there is no m-newmath
I tried then to simply add \usemodule[newmat] and compile with context,
but did not work... Code below, error message below below...
! Math error: parameter \Umathfraction_del_size\displaystyle is not set.
l.3 ...t{411}{$\displaystyle \frac {\sigma _t}{a}$
}
inserted text ...ore.mp ; fi ; ;;;]===], false)}
make sure that a font is loaded that has math before \starttext is seen
(try with \setupbodyfont[palatino] at the top of your file)
this does not work neither I still get error message with this code:
\usemodule[newmat]
\setupbodyfont[palatino]
\starttext
\startMPpage
label.top(textext($ \frac{\sigma_t}{a}$) scaled 1.00, (1, 1));
%label.top(btex $ \frac{\sigma_t}{a}$ etex, (0, 10));
%label.top(textext( $\displaystyle \frac{\sigma_t}{a}$ ) scaled 1.00, (1, 1));
\stopMPpage
\stoptext
Hi,
this works for me.
\setupbodyfont[palatino]
\startMPpage[offset=1ex]
u := cm ;
label.top(textext($ \frac{\sigma_t}{a}$) scaled 2, origin);
label.top(textext($ \frac{\sigma_t}{a}$), (u,u));
label.top(textext($\dfrac{\sigma_t}{a}$) scaled .5, (u,0));
\stopMPpage
Andreas
Thanks for answer!
Is this code you wrote supposed to be the whole doc to compile? And
compiled with context? If yes, I got an error again... I have version
context --version
MTXrun | main context file: /usr/share/texmf/tex/context/base/context.tex
MTXrun | current version: 2009.11.26 16:2
Is it likel;y then that the problem is solved in more recent versions? I
would try to update then... I am on Ubuntu 10.10 64b, is there a simple
way to update from other repos, or should I compile?
Thanks for your help!!!
Matthieu
Greeting
Andreas
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[NTG-context] Frac (was \everymath problem)
On Wed, 19 Aug 2009, Wolfgang Schuster wrote:
And with \frac it can be configured at context low level (why no key for
\setupmathematics?)
\chardef\mathfracmode=1 % 0=auto, 1=displaystyle, 2=textstyle, 3=scriptstyle,
4=scriptscriptstyle, 5=mathstyle
$\frac{a}{b}$
I am thinking of incoprorating a nath like frac in ConTeXt. So, we can
have
\definemathfraction[frac][style=...]
where style can take values
default: the current frac implementation
auto:the nath like implementation
displaystyle: the current dfrac implementation
textstyle: the current tfrac implementation
scriptstyle/scriptscriptstyle: (not sure when they would be needed)
I need to check what is the difference between mathfracmode=0 and 5.
We can also interface to vulgar fractions.
Aditya
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Re: [NTG-context] Extend the fraction bar
Taco, Mojca,
Thanks for the response on lengthening the main fraction bar? Any way
to make the main fraction bar wider?
There is a genfrac command in amslatex. Anything similar in Context?
On Jul 2, 2006, at 4:00 AM, Taco Hoekwater wrote:
David Arnold wrote:
All,
How can I extend the main fraction bar in the following expression,
making it a tad longer?
Just add a bit of whitespace to the right and left:
\dfrac{\,\dfrac{9+3x-2x^2}{x^2-16}\,}
{\,\dfrac{4x^3-9x}{2x^2+5x-12}\,}
You may want to add a \vphantom command as well to separate the
fractions from the main bar a bit more.
\dfrac{\,\dfrac{9+3x-2x^2}{x^2-16}\,}{\,\dfrac{4x^3-9x}{2x^2
+5x-12}\,}.
\placeformula
\startformula
\dfrac{\dfrac{9+3x-2x^2}{x^2-16}}{\dfrac{4x^3-9x}{2x^2+5x-12}}.
\stopformula
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Re: [NTG-context] Extend the fraction bar
On Tue, 4 Jul 2006, David Arnold wrote:
Taco, Mojca,
Thanks for the response on lengthening the main fraction bar? Any way
to make the main fraction bar wider?
There is a genfrac command in amslatex. Anything similar in Context?
m-newmat.tex defines genfrac.
\usemodule[newmat]
\def\bigfrac{\genfrac{}{}{2pt}\displaystyle}
\starttext
\startformula
\bigfrac{100}{200} \text{ vs } \frac{100}{200}
\stopformula
\stoptext
Adjust 2pt to something that suits you.
Aditya
On Jul 2, 2006, at 4:00 AM, Taco Hoekwater wrote:
David Arnold wrote:
All,
How can I extend the main fraction bar in the following expression,
making it a tad longer?
Just add a bit of whitespace to the right and left:
\dfrac{\,\dfrac{9+3x-2x^2}{x^2-16}\,}
{\,\dfrac{4x^3-9x}{2x^2+5x-12}\,}
You may want to add a \vphantom command as well to separate the
fractions from the main bar a bit more.
\dfrac{\,\dfrac{9+3x-2x^2}{x^2-16}\,}{\,\dfrac{4x^3-9x}{2x^2
+5x-12}\,}.
\placeformula
\startformula
\dfrac{\dfrac{9+3x-2x^2}{x^2-16}}{\dfrac{4x^3-9x}{2x^2+5x-12}}.
\stopformula
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Re: [NTG-context] Extend the fraction bar
Aditya,
Thanks. You are very helpful.
On Jul 4, 2006, at 9:08 PM, Aditya Mahajan wrote:
On Tue, 4 Jul 2006, David Arnold wrote:
Taco, Mojca,
Thanks for the response on lengthening the main fraction bar? Any way
to make the main fraction bar wider?
There is a genfrac command in amslatex. Anything similar in Context?
m-newmat.tex defines genfrac.
\usemodule[newmat]
\def\bigfrac{\genfrac{}{}{2pt}\displaystyle}
\starttext
\startformula
\bigfrac{100}{200} \text{ vs } \frac{100}{200}
\stopformula
\stoptext
Adjust 2pt to something that suits you.
Aditya
On Jul 2, 2006, at 4:00 AM, Taco Hoekwater wrote:
David Arnold wrote:
All,
How can I extend the main fraction bar in the following expression,
making it a tad longer?
Just add a bit of whitespace to the right and left:
\dfrac{\,\dfrac{9+3x-2x^2}{x^2-16}\,}
{\,\dfrac{4x^3-9x}{2x^2+5x-12}\,}
You may want to add a \vphantom command as well to separate the
fractions from the main bar a bit more.
\dfrac{\,\dfrac{9+3x-2x^2}{x^2-16}\,}{\,\dfrac{4x^3-9x}{2x^2
+5x-12}\,}.
\placeformula
\startformula
\dfrac{\dfrac{9+3x-2x^2}{x^2-16}}{\dfrac{4x^3-9x}{2x^2+5x-12}}.
\stopformula
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Re: [NTG-context] Extend the fraction bar
Question. Is this genfrac identical to the one in ams definitions?
On Jul 4, 2006, at 9:08 PM, Aditya Mahajan wrote:
On Tue, 4 Jul 2006, David Arnold wrote:
Taco, Mojca,
Thanks for the response on lengthening the main fraction bar? Any way
to make the main fraction bar wider?
There is a genfrac command in amslatex. Anything similar in Context?
m-newmat.tex defines genfrac.
\usemodule[newmat]
\def\bigfrac{\genfrac{}{}{2pt}\displaystyle}
\starttext
\startformula
\bigfrac{100}{200} \text{ vs } \frac{100}{200}
\stopformula
\stoptext
Adjust 2pt to something that suits you.
Aditya
On Jul 2, 2006, at 4:00 AM, Taco Hoekwater wrote:
David Arnold wrote:
All,
How can I extend the main fraction bar in the following expression,
making it a tad longer?
Just add a bit of whitespace to the right and left:
\dfrac{\,\dfrac{9+3x-2x^2}{x^2-16}\,}
{\,\dfrac{4x^3-9x}{2x^2+5x-12}\,}
You may want to add a \vphantom command as well to separate the
fractions from the main bar a bit more.
\dfrac{\,\dfrac{9+3x-2x^2}{x^2-16}\,}{\,\dfrac{4x^3-9x}{2x^2
+5x-12}\,}.
\placeformula
\startformula
\dfrac{\dfrac{9+3x-2x^2}{x^2-16}}{\dfrac{4x^3-9x}{2x^2+5x-12}}.
\stopformula
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Re: [NTG-context] Extend the fraction bar
Question. Is this genfrac identical to the one in ams definitions?
AFAIK, yes. The syntax of genfrac is
\genfrac{left-delim}{right-delim}{bar-thickness}{mathstyle}{numberator}{denominator}
in both context and ams. One difference is that in amsmath, for
mathstyle you can use integer vales 0-3 as a shortcut for
\displaystyle, textstyle, scriptstyle and scriptscriptscript style.
Context does not follow this, which I think is a good thing.
Aditya
On Jul 4, 2006, at 9:08 PM, Aditya Mahajan wrote:
On Tue, 4 Jul 2006, David Arnold wrote:
Taco, Mojca,
Thanks for the response on lengthening the main fraction bar? Any way
to make the main fraction bar wider?
There is a genfrac command in amslatex. Anything similar in Context?
m-newmat.tex defines genfrac.
\usemodule[newmat]
\def\bigfrac{\genfrac{}{}{2pt}\displaystyle}
\starttext
\startformula
\bigfrac{100}{200} \text{ vs } \frac{100}{200}
\stopformula
\stoptext
Adjust 2pt to something that suits you.
Aditya
On Jul 2, 2006, at 4:00 AM, Taco Hoekwater wrote:
David Arnold wrote:
All,
How can I extend the main fraction bar in the following expression,
making it a tad longer?
Just add a bit of whitespace to the right and left:
\dfrac{\,\dfrac{9+3x-2x^2}{x^2-16}\,}
{\,\dfrac{4x^3-9x}{2x^2+5x-12}\,}
You may want to add a \vphantom command as well to separate the
fractions from the main bar a bit more.
\dfrac{\,\dfrac{9+3x-2x^2}{x^2-16}\,}{\,\dfrac{4x^3-9x}{2x^2
+5x-12}\,}.
\placeformula
\startformula
\dfrac{\dfrac{9+3x-2x^2}{x^2-16}}{\dfrac{4x^3-9x}{2x^2+5x-12}}.
\stopformula
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Re: [NTG-context] Extend the fraction bar
David Arnold wrote:
All,
How can I extend the main fraction bar in the following expression,
making it a tad longer?
Just add a bit of whitespace to the right and left:
\dfrac{\,\dfrac{9+3x-2x^2}{x^2-16}\,}
{\,\dfrac{4x^3-9x}{2x^2+5x-12}\,}
You may want to add a \vphantom command as well to separate the
fractions from the main bar a bit more.
\dfrac{\,\dfrac{9+3x-2x^2}{x^2-16}\,}{\,\dfrac{4x^3-9x}{2x^2+5x-12}\,}.
\placeformula
\startformula
\dfrac{\dfrac{9+3x-2x^2}{x^2-16}}{\dfrac{4x^3-9x}{2x^2+5x-12}}.
\stopformula
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Re: [NTG-context] Extend the fraction bar
On 7/2/06, David Arnold wrote:
All,
How can I extend the main fraction bar in the following expression,
making it a tad longer?
\placeformula
\startformula
\dfrac{\dfrac{9+3x-2x^2}{x^2-16}}{\dfrac{4x^3-9x}{2x^2+5x-12}}.
\stopformula
I don't know what \dfrac should be (I assumed \let\dfrac=\frac)
The most easy solutions is probably to put a \ or \, before and after
the content (if I understood your question correctly).
\dfrac{\dfrac{9+3x-2x^2}{x^2-16}}{\ \dfrac{4x^3-9x}{2x^2+5x-12}\ }.
If you use that a lot, something like \def\mainfrac#1#2{\frac{\ #1\
}{\ #2\ }} might be helpful.
Mojca
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[NTG-context] Extend the fraction bar
All,
How can I extend the main fraction bar in the following expression,
making it a tad longer?
\placeformula
\startformula
\dfrac{\dfrac{9+3x-2x^2}{x^2-16}}{\dfrac{4x^3-9x}{2x^2+5x-12}}.
\stopformula
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Re: [NTG-context] Bug report, \frac as redefined in m-newmat.tex
At 01:40 PM 8/2/2004, you wrote:
ah ... the alignment lookahead problem, i think we can safely patch
\mathematics to catch lookahead as well as make frac more robust for
unwanted expansion
\usemodule[newmat]
\unexpanded\def\frac#1#2{\mathematics{\genfrac{}{}{}\donothing{#1}{#2}}}
\def\mathematics#1{\relax\ifmmode#1\else$#1$\fi}
[...]
That fixes the problem on my end; thanks!
Will you be updating the defintions of \tfrac, \dfrac, and so forth in
m-newmat to match? I admit to not being too sure whether I think it's a
good idea to support using math constructs such as \frac outside of math
mode, but I do think that if one's going to do that, it's good to be
consistent and do it with the variants too.
- Brooks
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Re: [NTG-context] Bug report, \frac as redefined in m-newmat.tex
Brooks Moses wrote:
At 01:40 PM 8/2/2004, you wrote:
ah ... the alignment lookahead problem, i think we can safely patch
\mathematics to catch lookahead as well as make frac more robust for
unwanted expansion
\usemodule[newmat]
\unexpanded\def\frac#1#2{\mathematics{\genfrac{}{}{}\donothing{#1}{#2}}}
\def\mathematics#1{\relax\ifmmode#1\else$#1$\fi}
[...]
That fixes the problem on my end; thanks!
Will you be updating the defintions of \tfrac, \dfrac, and so forth in
m-newmat to match? I admit to not being too sure whether I think it's
a good idea to support using math constructs such as \frac
do they need patching? they don't use \mathematics afaik
Hans
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Re: [NTG-context] Bug report, \frac as redefined in m-newmat.tex
On Wed, Aug 04, 2004 at 12:14:29AM +0200, Hans Hagen Outside wrote:
Brooks Moses wrote:
That fixes the problem on my end; thanks!
Will you be updating the defintions of \tfrac, \dfrac, and so forth in
m-newmat to match? I admit to not being too sure whether I think it's
a good idea to support using math constructs such as \frac
do they need patching? they don't use \mathematics afaik
They don't need patching in the sense of fixing a bug, no -- it's more a
matter of consistency in behavior.
What I see is that there's a list of definitions for \frac, \dfrac,
\tfrac, and various other similar forms, all of which can be used in
math mode only, and do not use \mathematics.
Then, a couple of lines after that, there's the second definition for
\frac, which is the one that needed patching. This one, unlike the
first definition, is wrapped in \mathematics so that it can work outside
math mode.
So I'm wondering why only \frac has this second definition that allows
it to work outside of math mode. I would think that things should be
consistent -- either that all of the definitions in the first list
should be changed to use \mathematics, or that \frac should be returned
to the simpler version -- so that \tfrac is still simply \frac typeset
in text mode as one would expect it to be.
Even if they're all left in the current form, I'd think that the unused
definition of \frac in the first list should be removed.
My argument for simplifying \frac to take the \mathematics out of it is
that it is a math-mode construct that typesets its arguments in math
mode, and allowing it to be used outside of math mode encourages sloppy
TeXing. It also hides the point of transition to math mode, meaning
that x and \frac{1}{x} will typeset x differently, which strikes me as
confusing. I recognize that this is a very debatable position, though,
and that there are at the very least arguments for backwards
compatiblity that contradict it.
- Brooks
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Re: [NTG-context] amsl: startcases/stopcases
Thursday, May 20, 2004 David Munger wrote:
Hello Giuseppe,
I'm having a little trouble with the cases in amsl.
Compiling this:
\[
f(x) =
\startcases
0 \text{if $x -\epsilon$} \\
\frac12 \text{if $x \epsilon$}
\stopcases
\]
results in an error around the \frac.
Hello David, sorry for the delay.
The problem is caused by \frac being defined in the newmat
module as
%D Better:
\def\frac#1#2{\mathematics{\genfrac{}{}{}\donothing{#1}{#2}}}
If you comment that line, it will compile flawlessly.
Hans, why would you want to allow \frac in text mode?
Changing it to \dfrac makes the input compile ok, but
typesets the cases in an ugly manner with really narrow
spacing.
(Yes.)
Is there some way of telling startcases/stopcases to behave in display
mode?
Yup, I just changed a couple of things and now we have a
\startbigcases ... \stopbigcases for this. Will upload new
version soon.
--
Giuseppe Oblomov Bilotta
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[NTG-context] amsl: startcases/stopcases
Hello Giuseppe,
I'm having a little trouble with the cases in amsl.
Compiling this:
\[
f(x) =
\startcases
0 \text{if $x -\epsilon$} \\
\frac12 \text{if $x \epsilon$}
\stopcases
\]
results in an error around the \frac. Changing it to \dfrac makes the
input compile ok, but typesets the cases in an ugly manner with really
narrow spacing.
Is there some way of telling startcases/stopcases to behave in display
mode?
Thanks in advance,
David
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