matrix manipulations of columns

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Charlene
Charlene on 8 May 2013
How can I replace all even columns of matrix A by columns of ones.
pls note that matrix A is A=random('norm',3,0.2,100,100)
thx

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Accepted Answer

Azzi Abdelmalek
Azzi Abdelmalek on 8 May 2013
Edited: Azzi Abdelmalek on 8 May 2013
A=random('norm',3,0.2,100,100)
A(:,2:2:end)=ones(size(A(:,2:2:end)))

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