Given matrix with so many zeroes, trim those zeroes and output a matrix joining all nnz elements
input = [0 0 0 0 0;
0 2 0 4 0;
0 0 0 0 0;
0 1 0 3 0]
output = [2 4;
Column norms of a matrix
Is it a number?
Find maximum value of a curve
Find the nearest prime number
Create tangent function out of sine function only
Combine the digits to output numbers
Rotate matrix by -90 degrees
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