Should include some test cases with negative numbers in the Test Suite. For example, several submissions would fail for x = [1, −1; −1, 1].
surface of a spherical planet
Convert a vector into a number
Getting the indices from a vector
Number of Horns on a unicorn!
Rotate a matrix for 180 degree
Probability of red tulips
Probability of red tulips (at both ends of a row)
Average of even-numbered columns
Delete the column with all 0 in the TABLE
Average of odd values
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