Specific Element Count
Column norms of a matrix
03 - Matrix Variables 5
07 - Common functions and indexing 4
Matrix of almost all zeros, except for main diagonal
Matrix which contains the values of an other matrix A at the given locations.
Matrix with different incremental runs
First non-zero element in each column
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
vectorization in N
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