On Sat, Sep 2, 2017 at 6:36 PM, Hans Hagen <[email protected]> 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 <[email protected]> > To: Mikael P. Sundqvist <[email protected]> > > On 9/2/2017 4:58 PM, Mikael P. Sundqvist wrote: > >> On Fri, Sep 1, 2017 at 7:49 PM, Hans Hagen <[email protected] <mailto: >> [email protected]>> 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 : [email protected] <mailto:[email protected]> / >> http://www.ntg.nl/mailman/listinfo/ntg-context >> <http://www.ntg.nl/mailman/listinfo/ntg-context> >> webpage : http://www.pragma-ade.nl / http://context.aanhet.net >> archive : https://bitbucket.org/phg/context-mirror/commits/ >> <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 > ----------------------------------------------------------------- > ____________________________________________________________ > _______________________ > If your question is of interest to others as well, please add an entry to > the Wiki! > > maillist : [email protected] / http://www.ntg.nl/mailman/list > info/ntg-context > webpage : http://www.pragma-ade.nl / http://context.aanhet.net > archive : https://bitbucket.org/phg/context-mirror/commits/ > wiki : http://contextgarden.net > ____________________________________________________________ > _______________________
Today the new beta appeared, so I added something on the wiki, http://wiki.contextgarden.net/Math/fractions (I am not sure how to use the threshold key, so I made no examples with that.) Thanks, Hans, for the very quick new feature! /Mikael
___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : [email protected] / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________
