how to put only one element randomly in row of matrix

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Meriem Ben Kalia 2020-8-11

评论： Meriem Ben Kalia 2020-8-11

Hello,

Can anyone help me please, I didn't a solution

I'd like to put only one element of row to 1 'randomly' and the other putted in 0

Exemple I have A= zeros (4,3) I like to get A= [0 1 0; 1 0 0; 0 0 1; 1 0 0]

KSSV 2020-8-11

编辑：KSSV 2020-8-11

A = zeros(4,3) ; 
[m,n] = size(A) ;
for i = 1:m
    idx = randperm(n,1) ; 
    A(i,idx) = 1 ;
end

Thank you very much for the help you have given

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