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? ;-)
Find the sum of the elements in the "second" diagonal
Create a square matrix of multiples
Sophie Germain prime
Make a 1 hot vector
Length of the hypotenuse
Find the square of the sum of the digits of a number
Find the area of the four walls
Convert a number to its Roman representation
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