Problem 1699. Find last zero for each column

Created by Matthew Eicholtz

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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

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Last solution submitted on Oct 11, 2019

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Solution 1210601

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1 Comment

Xiaoyi Chin on 4 Oct 2017

wonderful

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indexing matrix manipulation

Problem 1699. Find last zero for each column

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Last 200 Solutions

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Problem Recent Solvers140

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Problem 1699. Find last zero for each column

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers140

Suggested Problems

More from this Author46

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