Problem 32. Most nonzero elements in row

Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row that matches this criterion.

Example:

 Input  a = [ 1 2 0 0 0
              0 0 5 0 0 
              2 7 0 0 0
              0 6 9 3 3 ]
 Output r is 4
Solve

Solution Stats

44.1% Correct | 55.9% Incorrect
Last Solution submitted on Sep 20, 2025

Problem Comments

Solution Comments

Show comments

Problem Recent Solvers7390

Suggested Problems

More from this Author96

Problem Tags

matrices

Community Treasure Hunt

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

Start Hunting!