a command for changing the place of columns in a matrix directly

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Hi all
I have a matrix m-by-n and I want to change the place of columns with an espiciall command in matlab. How can I do this . for Example:
a=[10 20; 20 40; 10 30] chaanged to b=[20 10; 40 20; 30 10]
Thanks for your guidance cheers

Risposta accettata

Andrew Newell
Andrew Newell il 29 Dic 2011
You can do this with the matrix indices. For the example you give,
b = a(:,[2 1]);

Più risposte (1)

Walter Roberson
Walter Roberson il 29 Dic 2011
In the above case,
b = fliplr(a);

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