In a array x, count the number of times the number n appears in x.
for example: x = [1 2 3 4 3 2 1 2] and n = 2 the answer should be 3, because 2 appears 3 times in x
Getting the indices from a vector
Min of a Matrix
Volume of a box
UICBioE240 problem 1.15
Convert from integer to binary
All odd - all even
Magnitude of a vector
How many complete pizzas
Add the even numbers
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