Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero values, return 0 for that column. Your output should be a row vector.

Example

a = [0 0 9 0;
     0 0 1 8;
     0 0 4 0;
     0 0 2 3;
     0 6 7 5];

z = [5 4 0 3]
Solve

Solution Stats

1695 Solutions

721 Solvers

Last Solution submitted on Jun 23, 2026

Last 200 Solutions

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers721

Jonathan Y xl 文浩

Suggested Problems

More from this Author43

Community Treasure Hunt

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

Start Hunting!