[NTG-context] feature request

Atsuhito Kohda atsu10.kohda at gmail.com
Sat Jul 6 01:35:10 CEST 2019


Hi Aditya,

> You can create a private module with the definitions that you need. If
> these are general enough, then you can also release it as a third party
> module for others to use. I don't see the value of adding (and
> maintaining!) a module that provides LaTeX compatibility as part of the
> core.

I began to learn ConTeXt since april and begin to write real
ConTeXt documents (mostly presentations) since june.
Please don't ask me too much.

My main request is not to provide LaTeX compatibility but
to provide not only one command of matrix but full set of commands
for various kind of matrices if possible.
Personally, it is true that I think LaTeX compatibility is useful
but it is not main issue.

Best regards,
Atsuhito Kohda

2019年7月5日(金) 0:18 Aditya Mahajan <adityam at umich.edu>:

> On Thu, 4 Jul 2019, Atsuhito Kohda wrote:
>
> > Hi Henri,
> > Thanks for your suggestions, they are very instructive.
> > However, my request is not a smart way of displaying matrices
> > but to know why \bmatrix and \vmatrix are not provided
> > in core part of ConTeXt although \pmatrix is provided already
> > in math-pln.mkiv
>
> Henri has already answered this.
>
> [ ... ]
>
> > One might say ConTeXt is flexible but I've an impression
> > that ConTeXt is in a state of confusion/disorder.
> >
> > I think it is better if a standard command is provided
> > by core ConTeXt or by a module etc.
> >
> > Or is it ConTeXt way that each user defines his/her own commands
> > in setup area and uses them in text area?
> > I'm afraid consistency and/or portability is lost in such scenario.
>
> Let me provide an alternative point of view. The commands that you are
> suggesting are encode the _visual_ meaning: pmatrix is a matrix with
> parenthesis, bmatrix is a matrix with brackets, vmatrix is a matrix with
> vertical bars, and so on. One could also use _semantic_ commands: in my
> documents, I define a command called MATRIX for typesetting matrices, and
> DET for determinant of a matrix. So, I simply type
>
> \MATRIX{1, 2; 5, 6} and \DET{1, 2; 5, 6}, etc.
>
> Now, depending on the audience, I sometimes map \MATRIX to pmatrix and
> sometimes to bmatrix. I can simply copy paste the code without worrying
> about notation.
>
> If you take this view, then the predefined matrix:parentheses,
> matrix:brackets, and matrix:bars are sufficient.
>
> > BTW, I constantly convert Beamer documents into ConTeXt's
> > simpleslide documents recently and it is very convenient
> > if I can use \pmatrix{a&b\cr c&d\cr} style because it is similar
> > to LaTeX documents.
>
> You can create a private module with the definitions that you need. If
> these are general enough, then you can also release it as a third party
> module for others to use. I don't see the value of adding (and
> maintaining!) a module that provides LaTeX compatibility as part of the
> core.
>
> Aditya
>
>
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