How can I get elegantly an upper triangle random matrix (0 elsewhere)?

1 view (last 30 days)
I have seen the triu and tril functions, but I can't use them to set to 0:
A = rand(4);
tril(A)=0; % won't work
any idea, other than using 2 for loops?

Accepted Answer

Andrei Bobrov
Andrei Bobrov on 31 May 2014
Edited: Andrei Bobrov on 31 May 2014
triu(A,1)

More Answers (0)

Categories

Find more on Sparse Matrices in Help Center and File Exchange

Community Treasure Hunt

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

Start Hunting!