Should include some test cases with negative numbers in the Test Suite. For example, several submissions would fail for x = [1, −1; −1, 1].
Return the first and last character of a string
Replace multiples of 5 with NaN
07 - Common functions and indexing 6
Returning a "greater than" vector
Is this triangle right-angled?
Average of odd values
Calculate feeling temperature before climbing a mountain
Probability of red tulips (at both ends of a row)
Probability of red tulips
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