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index to matrix columns

Asked by laplace laplace on 20 Jun 2013

i want put indices to matrix columns. eg

i got 1 2 3 3 4 5 6 7 8

i want to assign indices to the column vectors [1:3:6] etc

and is there a way to put random indices? the way crossvalind command does? the problem with crossvalind is that it only accepts arrays not column vectors

any ideas?

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1 Answer

Answer by the cyclist on 20 Jun 2013

I think you can do what you want using the randsample() command.

doc randsample

for details.

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