Re: [NTG-context] Possibly bug: misalignment with matrix

2014-10-13 Thread Hans Hagen

On 10/12/2014 7:08 PM, Xan wrote:

and

\item $\startdet[n=3]
\NC yz \NC \frac{1}{x} \NC x \NR
\NC zx \NC \frac{1}{y} \NC y \NR
\NC xy \NC \frac{1}{z} \NC z \NR
\stopdet$


puts x over 1 in the second row


in a next beta ...

\definemathmatrix[TheMatrixA][left={\left\lvert\,},right={\,\right\rvert}]
\definemathmatrix[TheMatrixB][left={\left\lvert\,},right={\,\right\rvert},strut=1.25]
\definemathmatrix[TheMatrixC][left={\left\lvert\,},right={\,\right\rvert},strut=1.50]

\starttext

$\startTheMatrixA[n=3]
\NC yz \NC \frac{1}{x} \NC x \NR
\NC zx \NC \frac{1}{y} \NC y \NR
\NC xy \NC \frac{1}{z} \NC z \NR
\stopTheMatrixA$

$\startTheMatrixB[n=3]
\NC yz \NC \frac{1}{x} \NC x \NR
\NC zx \NC \frac{1}{y} \NC y \NR
\NC xy \NC \frac{1}{z} \NC z \NR
\stopTheMatrixB$

$\startTheMatrixC[n=3]
\NC yz \NC \frac{1}{x} \NC x \NR
\NC zx \NC \frac{1}{y} \NC y \NR
\NC xy \NC \frac{1}{z} \NC z \NR
\stopTheMatrixC$

\stoptext

upto you to wikify it


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Re: [NTG-context] Possibly bug: misalignment with matrix

2014-10-12 Thread Xan
Another bug.

@Hans: At least for user view point it's a bug. 
@Thangalin: thanks. A bigskip will solve me problems, but thanks.


\definemathmatrix[det]
[left={\left\lvert\,},right={\,\right\rvert}]


\starttext
Calculeu els determinants següents:

\startitemize[a,columns]

\item $\startdet[n=4]
\NC 1 \NC 1 \NC 1 \NC 1 \NR
\NC 1 \NC 2 \NC 3 \NC 4 \NR
\NC 1 \NC 3 \NC 6 \NC 10 \NR
\NC 1 \NC 4 \NC 10 \NC 20 \NR
\stopdet$

\item $\startdet[n=4]
\NC 1 \NC -2 \NC 0 \NC 1 \NR
\NC 1 \NC 1 \NC 0 \NC 2 \NR
\NC 0 \NC 3 \NC -2 \NC -1 \NR
\NC 1 \NC 1 \NC 1 \NC 3 \NR
\stopdet$

\item $\startdet[n=5]
\NC 1 \NC 2 \NC 3 \NC 4 \NC 5 \NR
\NC 2 \NC 3 \NC 4 \NC 5 \NC 1 \NR
\NC 3 \NC 4 \NC 5 \NC 1 \NC 2 \NR
\NC 4 \NC 5 \NC 1 \NC 2 \NC 3 \NR
\NC 5 \NC 1 \NC 2 \NC 3 \NC 4 \NR
\stopdet$

\item $\startdet[n=3]
\NC 1 \NC 2 \NC 3 \NR
\NC 1 \NC 4 \NC 9 \NR
\NC 1 \NC 8 \NC 27 \NR
\stopdet$

\stopitemize

Proveu, sense desenvolupar, que els determinants següents són nuls:

\startitemize[a]
\item $\startdet[n=3]
\NC -\sqrt{3} \NC 3 \NR
\NC 5 \NC -\sqrt{3}\cdot 5 \NR
\stopdet$

\item $\startdet[n=3]
\NC 2 \NC 1 \NC 3 \NR
\NC 1 \NC 0 \NC 1 \NR
\NC -3 \NC 2 \NC -1 \NR
\stopdet$

\stopitemize

\stoptext



matrix2.pdf
Description: Adobe PDF document
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Re: [NTG-context] Possibly bug: misalignment with matrix

2014-10-12 Thread Xan
and 

\item $\startdet[n=3]
\NC yz \NC \frac{1}{x} \NC x \NR
\NC zx \NC \frac{1}{y} \NC y \NR
\NC xy \NC \frac{1}{z} \NC z \NR
\stopdet$


puts x over 1 in the second row
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Re: [NTG-context] Possibly bug: misalignment with matrix

2014-10-09 Thread Hans Hagen

On 10/7/2014 8:06 PM, Thangalin wrote:

Looks like a bug; adding blank rows works around the problem (but
looks terrible):

\definemathmatrix[pmatrix] [left={\left(\,},right={\,\right)}]

\starttext
Digueu quines de les matrius següents són regulars. Quan ho siguin,
trobeu la inversa

\startitemize[a,columns,four]
\item \startpmatrix[n=4]
\NC \NR
\NC 2 \NC 3 \NR
\NC 6 \NC 7 \NR
\NC \NR
\stoppmatrix

\item \startpmatrix[n=4]
\NC 3 \NC 2 \NC 1 \NR
\NC 4 \NC 5 \NC 3 \NR
\NC 5 \NC 0 \NC -2 \NR
\NC
\stoppmatrix

\item \startpmatrix[n=4]
\NC 5 \NC 4 \NC 2 \NR
\NC 2 \NC 2 \NC 3 \NR
\NC 7 \NC 6 \NC 5 \NR
\NC
\stoppmatrix

\item \startpmatrix[n=4]
\NC a \NC 0 \NC 0 \NC 0 \NR
\NC 0 \NC b \NC 0 \NC 0 \NR
\NC 0 \NC 0 \NC c \NC 0 \NR
\NC 0 \NC 0 \NC 0 \NC d \NR
\stoppmatrix

\stopitemize

\stoptext


not a bug ...

(1) the matrix is centered around the math axis and has equal height and 
depth so indeed in columns that will not align horizontally


(2) there is no n|m key support in matrices so the n does nothing in 
this kind of matrix


Hans


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Re: [NTG-context] Possibly bug: misalignment with matrix

2014-10-09 Thread Aditya Mahajan

On Thu, 9 Oct 2014, Hans Hagen wrote:


On 10/7/2014 8:06 PM, Thangalin wrote:

Looks like a bug; adding blank rows works around the problem (but
looks terrible):

\definemathmatrix[pmatrix] [left={\left(\,},right={\,\right)}]

\starttext
Digueu quines de les matrius següents són regulars. Quan ho siguin,
trobeu la inversa

\startitemize[a,columns,four]
\item \startpmatrix[n=4]
\NC \NR
\NC 2 \NC 3 \NR
\NC 6 \NC 7 \NR
\NC \NR
\stoppmatrix

\item \startpmatrix[n=4]
\NC 3 \NC 2 \NC 1 \NR
\NC 4 \NC 5 \NC 3 \NR
\NC 5 \NC 0 \NC -2 \NR
\NC
\stoppmatrix

\item \startpmatrix[n=4]
\NC 5 \NC 4 \NC 2 \NR
\NC 2 \NC 2 \NC 3 \NR
\NC 7 \NC 6 \NC 5 \NR
\NC
\stoppmatrix

\item \startpmatrix[n=4]
\NC a \NC 0 \NC 0 \NC 0 \NR
\NC 0 \NC b \NC 0 \NC 0 \NR
\NC 0 \NC 0 \NC c \NC 0 \NR
\NC 0 \NC 0 \NC 0 \NC d \NR
\stoppmatrix

\stopitemize

\stoptext


not a bug ...

(1) the matrix is centered around the math axis and has equal height and 
depth so indeed in columns that will not align horizontally


IIRC, we had added a `location=(high|middle|low)` key to change that 
behaviour. (Sorry, cannot test right now).


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Re: [NTG-context] Possibly bug: misalignment with matrix

2014-10-09 Thread Thangalin
Hi Xan,

It's not exactly what you want, but maybe it'll give you some other ideas:

\definemathmatrix[pmatrix][
  left={\left(\,},
  right={\,\right)},
]

\definenumber[pmatrix]
\resetnumber[pmatrix]

\define\nextmatrix{
  \incrementnumber[pmatrix]
  \getnumber[pmatrix].
}

\define[2]\pmatrices{
  \blank[big]
  \framed[frame=off]{
\startmixedcolumns[n=#1]
  #2
\stopmixedcolumns
  }
}

\starttext
Digueu quines de les matrius següents són regulars. Quan ho siguin,
trobeu la inversa

\pmatrices{4}{
  \nextmatrix
  \startpmatrix
\NC 2 \NC 3 \NR
\NC 6 \NC 7 \NR
  \stoppmatrix
  \column

  \nextmatrix
  \startpmatrix
\NC 3 \NC 2 \NC 1 \NR
\NC 4 \NC 5 \NC 3 \NR
\NC 5 \NC 0 \NC -2 \NR
  \stoppmatrix
  \column

  \nextmatrix
  \startpmatrix
\NC 5 \NC 4 \NC 2 \NR
\NC 2 \NC 2 \NC 3 \NR
\NC 7 \NC 6 \NC 5 \NR
  \stoppmatrix
  \column

  \nextmatrix
  \startpmatrix
\NC a \NC 0 \NC 0 \NC 0 \NR
\NC 0 \NC b \NC 0 \NC 0 \NR
\NC 0 \NC 0 \NC c \NC 0 \NR
\NC 0 \NC 0 \NC 0 \NC d \NR
  \stoppmatrix
}
\stoptext
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[NTG-context] Possibly bug: misalignment with matrix

2014-10-07 Thread Xan
Hi,

Minimal example:


\definemathmatrix[pmatrix]
[left={\left(\,},right={\,\right)}]


\starttext
Digueu quines de les matrius següents són regulars. Quan ho siguin, trobeu la 
inversa

\startitemize[a,columns,four]
\item \startpmatrix[n=2]
\NC 2 \NC 3 \NR
\NC 6 \NC 7 \NR
\stoppmatrix

\item \startpmatrix[n=3]
\NC 3 \NC 2 \NC 1 \NR
\NC 4 \NC 5 \NC 3 \NR
\NC 5 \NC 0 \NC -2 \NR
\stoppmatrix

\item \startpmatrix[n=3]
\NC 5 \NC 4 \NC 2 \NR
\NC 2 \NC 2 \NC 3 \NR
\NC 7 \NC 6 \NC 5 \NR
\stoppmatrix

\item \startpmatrix[n=4]
\NC a \NC 0 \NC 0 \NC 0 \NR
\NC 0 \NC b \NC 0 \NC 0 \NR
\NC 0 \NC 0 \NC c \NC 0 \NR
\NC 0 \NC 0 \NC 0 \NC d \NR
\stoppmatrix

\stopitemize

\stoptext

produces misalignment in last item (I attach pdf)

Can anyone confirm that?

Thanks,
Xan


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Re: [NTG-context] Possibly bug: misalignment with matrix

2014-10-07 Thread Thangalin
Looks like a bug; adding blank rows works around the problem (but
looks terrible):

\definemathmatrix[pmatrix] [left={\left(\,},right={\,\right)}]

\starttext
Digueu quines de les matrius següents són regulars. Quan ho siguin,
trobeu la inversa

\startitemize[a,columns,four]
\item \startpmatrix[n=4]
\NC \NR
\NC 2 \NC 3 \NR
\NC 6 \NC 7 \NR
\NC \NR
\stoppmatrix

\item \startpmatrix[n=4]
\NC 3 \NC 2 \NC 1 \NR
\NC 4 \NC 5 \NC 3 \NR
\NC 5 \NC 0 \NC -2 \NR
\NC
\stoppmatrix

\item \startpmatrix[n=4]
\NC 5 \NC 4 \NC 2 \NR
\NC 2 \NC 2 \NC 3 \NR
\NC 7 \NC 6 \NC 5 \NR
\NC
\stoppmatrix

\item \startpmatrix[n=4]
\NC a \NC 0 \NC 0 \NC 0 \NR
\NC 0 \NC b \NC 0 \NC 0 \NR
\NC 0 \NC 0 \NC c \NC 0 \NR
\NC 0 \NC 0 \NC 0 \NC d \NR
\stoppmatrix

\stopitemize

\stoptext
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