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 Solvers967
Suggested Problems
-
Renaming a field in a structure array
1582 Solvers
-
Rotate input square matrix 90 degrees CCW without rot90
699 Solvers
-
317 Solvers
-
Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
984 Solvers
-
10884 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.