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 Solvers959
Suggested Problems
-
1223 Solvers
-
1781 Solvers
-
Calculate the Levenshtein distance between two strings
1512 Solvers
-
Calculate the area of a triangle between three points
3519 Solvers
-
Make a vector of prime numbers
970 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.