bad test. to get the test answer you must square the diameter and multiply it by pi, intead of pi*r^2(or pi*d/2^2)
Find the numeric mean of the prime numbers in a matrix.
Arrange vector in ascending order
Duplicate each element of a vector.
Number of Horns on a unicorn!
We love vectorized solutions. Problem 1 : remove the row average.
Maximum value in a matrix
Finding fourier transform of a given vector
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