For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero is not permitted.
Example:
in->x = [0 1 0 0;
4 3 7 0;
0 0 2 6;
0 9 0 5];
out->i = [2 1 2 3]; % row numbers
Solution Stats
Problem Comments
2 Comments
Solution Comments
Show comments
Loading...
Problem Recent Solvers966
Suggested Problems
-
Maximum running product for a string of numbers
2258 Solvers
-
Given two arrays, find the maximum overlap
1812 Solvers
-
Get the elements of diagonal and antidiagonal for any m-by-n matrix
523 Solvers
-
Sum the numbers on the main diagonal
620 Solvers
-
Area of an equilateral triangle
7008 Solvers
More from this Author10
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
I fixed the test. There was no assert statement.
Test cases have been added.