It is required to replace all values in a vector that are multiples of 5 with NaN.
input: x = [1 2 5 12 10 7]
output: y = [1 2 NaN 12 NaN 7]
give nth decimal place of pi
Project Euler: Problem 2, Sum of even Fibonacci
Back to basics 19 - character types
Calculate the derivative of a polynomial
07 - Common functions and indexing 1
Count up then down
Raise Matrix to Power
Get ranks of values in a vector
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