matrix

Mate 2u

28 May 2012

1 Answer

4 Views (30 days)

0 votes

Hi, I have a very large matrix. I want to know how many positive elements I have in the matrix, and how many negative elements (non-zero).

Thanks

0 Comments
Show -2 older comments Hide -2 older comments

Oleg Komarov on 28 May 2012

1 vote

idx = A < 0;
nnz( idx) % negative
nnz(~idx) % positive (including 0)

Find the treasures in MATLAB Central and discover how the community can help you!