Sum of diagonal of a square matrix
We love vectorized solutions. Problem 1 : remove the row average.
Output any real number that is neither positive nor negative
Find the logic
Reverse a matrix
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
vectorization in N
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