How can I create a matlab matrix below?

1 view (last 30 days)
kimjandi
kimjandi on 3 Mar 2021
Answered: Walter Roberson on 3 Mar 2021
Hi, I've been wanting to construct a matlab matrix that is n by n. and looks like this. I've beeen trying to use diag but the function diag doesn't provide this. so m a bit confused. Please help!

Sign in to answer this question.

Accepted Answer

Walter Roberson
Walter Roberson on 3 Mar 2021
Ran in:
N = 6;
diag(-2*ones(1,N)) + diag(ones(1,N-1),-1) + diag(ones(1,N-1),1)
ans = 6×6
-2 1 0 0 0 0 1 -2 1 0 0 0 0 1 -2 1 0 0 0 0 1 -2 1 0 0 0 0 1 -2 1 0 0 0 0 1 -2

More Answers (0)

Categories

Find more on Matrices and Arrays in Help Center and File Exchange

Tags

Products

Community Treasure Hunt

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

Start Hunting!