> Hans Aberg <mailto:haberg-1@telia.com>
> 7. Juli 2015 20:53
>> On 7 Jul 2015, at 20:17, Wolfgang Schuster<schuster.wolfgang@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.
>
Can you see the effect of the alignment?

\starttext

\startformula
     \startmatrix[align={left,middle,right}]
     \NC a   \NC b   \NC c   \NR
     \NC aa  \NC bb  \NC cc  \NR
     \NC aaa \NC bbb \NC ccc \NR
     \stopmatrix
\stopformula

\stoptext

Wolfgang