Re: LaTeX array equivalence with multiline \lbrace

[Renaud AUBIN <aubin@nibua-r.org>]

I've read the post [NTG-context] Math Cases and I'm interested to have 
the possibility to do this kind of numbering:

 { b , if whatever     (1a)
  a ={
     { c,  otherwise       (1b)



Aditya Mahajan a écrit :

>If I understand you correctly, then something like this
>
>\definealign[cases][left={\left\{}, right={\right.}, n=2, 
>align={left,left}]
>
>will give us \startcases, \stopcases which works like \cases. Such a 
>feature will be very useful.
>
>
>Is it possible to define left|right in such a way that
>\definealign[important][left={\framed\bgroup},right={\egroup}]
>results in a frame around the equations (and does not include the equation 
>numbers), that is the frame is as broad as the width of the largest 
>equation that follows. This mechanism can be used to highlight equations.
>
>Also, in another post, I had asked if it is possible to have cases that 
>are numbered, that is, can I get
>
>     { b , if whatever     (1a)
>  a ={
>     { c,  otherwise       (1b)
>
>This is not important, but will be nice to have.
>
>Aditya
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