solution is incorrect
Not really, we need to determine the first non-zero element in each column, not row.
Least common multiple of many numbers
Find the largest value in the 3D matrix
Say something funny
03 - Matrix Variables 4
04 - Scalar Equations 2
A quadrant matrix
vectorization in N
Find the elements of a matrix according to a defined property.
Remove NaN ?
Duplicate each element of a vector.
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