Just find the number of columns of the given matrix.
x = [1 2
y = 2
Maby this one needs some more test suites ;)
improve test suit
Maybe more test cases here? ;-)
Most nonzero elements in row
Remove the air bubbles
Sum of diagonal of a square matrix
Calculate the derivative of a polynomial
Length of a short side
Reverse a matrix
Concatenate two strings
Find the square of the sum of the digits of a number
Create the following sequence : 0 1 1 4 9 25 64 169 ...
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