solution is incorrect
Not really, we need to determine the first non-zero element in each column, not row.
Project Euler: Problem 5, Smallest multiple
Set some matrix elements to zero
02 - Vector Variables 3
06 - Matrix Equations 1
Find the elements of a matrix according to a defined property.
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Matrix with different incremental runs
Create a matrix X, where each column is a shifted copy of the vector v
Remove NaN ?
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