> On 7 Jul 2015, at 20:17, Wolfgang Schuster <schuster.wolfg...@gmail.com>
> wrote:
> You can set the alignment for each column in a matrix with the align key.
>
> \definemathmatrix
> [aligned]
> [n=2,
> align={right,left},
> distance=\spaceamount]
>
> \starttext
>
> \startformula
> J^j:
> \startaligned[left=\left\{,right=\right.]
> \NC ω^0 \NC ↦ 0 \NR
> \NC ω^j \NC ↦ 0 \NR
> \stopaligned
> \quad
> \startaligned[n=3,align={right,middle,left},left=\left\{,right=\right.]
> \NC ω^k \NC ↦ \NC ω^l \NR
> \NC ω^l \NC ↦ \NC -ω^k \NR
> \stopaligned
> \stopformula
>
> \stoptext
That looks like the right thing. Thanks.
Your example is quite close to TeX, cf. example below.
I have also put in an extra alignment to see what happens, monospace code
alignment style. Changing ‘left’ to ‘right did not seem to have any effect here.
----
\definemathmatrix
[aligned]
[n=2,
align={right,left},
distance=\spaceamount]
\starttext
\startformula
J^j:
\startaligned[left=\left\{,right=\right.]
\NC ω^0 \NC ↦ 0 \NR
\NC ω^j \NC ↦ 0 \NR
\stopaligned
\quad
\startaligned[n=3,align={right,middle,left},left=\left\{,right=\right.]
\NC ω^k \NC ↦ \NC \NC ω^l \NR
\NC ω^l \NC ↦ \NC -\NC ω^k \NR
\stopaligned
\stopformula
\def\equlb#1{\left\{\eqalign{#1}\right.} %equation left braced
\startformula
J^j:\equlb{ω^0 &↦ 0 \cr ω^j &↦ 0} \quad
\equlb{ω^k &↦ ω^l \cr ω^l &↦ -ω^k} \stopformula
\stoptext
----
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