Find the numeric mean of the prime numbers in a matrix.
Flip the main diagonal of a matrix
Vectorize the digits of an Integer
Remove the two elements next to NaN value
02 - Vector Variables 5
Given a matrix A (size m x n) create a matrix B which consists of matrix A sorted in descending order by columns and then by rows.
Given a matrix A (size m x n) create a matrix B (size m+2 x n+2) which consists of matrix A surrounded by zeros. See Example below:
Rearrange the given matrix to have all its zeros climb up to the top of each column - using for loops.
Given a matrix A return a vector of the product of the elements in each column using a loop without using prod.
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