Generate random binary matrix (Matlab)

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Dear members
I want generate binary matrix of dimensions M*N in which the number of ones in each row (ones_row) and column (ones_column) is equal.

Accepted Answer

David Hill
David Hill on 2 Jun 2021
Brute force might work for you. Obviously, some combinations of N,M,n,m will not work.
N=10;M=5;%matrix size
n=6;%number of ones in a row
m=3;%number of ones in a column
a=[ones(1,n),zeros(1,N-n)];
b=a;
c=zeros(M,N);
while ~all(b==m)
for k=1:M
c(k,:)=a(randperm(N));
end
b=sum(c);
end
  1 Comment
Afluo Raoual
Afluo Raoual on 7 Jun 2021
@David Hill Yeah unfortunaltely it doesn't work with other cases

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