Clear Filters
Clear Filters

find non zero elements put in a matrix

1 view (last 30 days)
babis
babis on 5 Dec 2013
Answered: Wayne King on 5 Dec 2013
i have a matrix and i want to take the row number of every non-zero element per collumn into a new matrix

Sign in to answer this question.

Answers (1)

Wayne King
Wayne King on 5 Dec 2013
A = randi([-2 2],20,10);
idx = find(A~=0);
B = A(idx);
B contains all the nonzero elements of A, but how will you know the size of the matrix ahead of time?

Categories

Find more on 3-D Scene Control in Help Center and File Exchange

Tags

Community Treasure Hunt

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

Start Hunting!