On May 23, 2014, at 7:14 AM, Matthias Weber <matweber@indiana.edu> wrote:
> 
> Thanks Aditya,
> 
> but out of the box the following
> 
> \usemodule[simplematrix]
> 
> \definesimplematrix[MATRIX][fence=bracket]
> 
> \starttext
> 
> \startformula
> \MATRIX{1,2,3}
> \MATRIX{1;2;3} 
> \stopformula
> 
> \stoptext
> 
> gives me 
> <texshop_image.pdf>
> Matthias
> 

Strange. What version of context are you using? 

Aditya


> 
>> On May 23, 2014, at 6:56 AM, Aditya Mahajan <adityam@umich.edu> wrote:
>> 
>>> On Fri, 23 May 2014, Matthias Weber wrote:
>>> 
>>> Dear All,
>>> 
>>> I would like to define a command that expands
>>> 
>>> \vector{2,4} % or vector[2,4] if that’s easier
>>> 
>>> to
>>> 
>>> \startpmatrix
>>> \NC 2 \NR
>>> \NC 4 \NR
>>> \stoppmatrix
>>> 
>>> and more generally
>>> 
>>> \vector{2,4,1,7}
>>> 
>>> to
>>> 
>>> \startpmatrix
>>> \NC 2 \NR
>>> \NC 4 \NR
>>> \NC 1 \NR
>>> \NC 7 \NR
>>> \stoppmatrix
>>> 
>>> Any hints how to achieve this?
>> 
>> Surprisingly, this is not as simple as it may seem at first glance. Some time ago, I had written a module to achieve this. See attached. The usage is:
>> 
>> \usemodule[simplematrix]
>> 
>> \definesimplematrix[MATRIX][fence=bracket]
>> 
>> (any predefined math-fence will work) and then:
>> 
>> \MATRIX{1,2,3} for row vectors and \MATRIX{1;2;3} for column vectors, and \MATRIX{1,2,3; 4,5,6} for matrices.
>> 
>> You can use \definesimplematrix[...][distance=..., align=...] to influence the distance and align keys of mathmatrix.
>> 
>> Aditya<t-simplematrix.mkvi>___________________________________________________________________________________
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>> 
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>> ___________________________________________________________________________________
> 
> ___________________________________________________________________________________
> 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
> ___________________________________________________________________________________