Select every other element of a vector
Most nonzero elements in row
Back to basics 8 - Matrix Diagonals
Given a window, how many subsets of a vector sum positive
Length of the hypotenuse
Duplicate each element of a vector.
vectorization in N
Matrix which contains the values of an other matrix A at the given locations.
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
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