A perfect number occurs whent the sum of all divisors of a positive integer, except the number itself, equals the number.
28 = 1 + 2 + 4 + 7 + 14;
so return true
10 ~= 1 + 2 + 5
so return false
Replicate elements in vectors
find the maximum element of the matrix
sum of first 'n' terms
Find the dimensions of a matrix
Project Euler: Problem 14 Longest Collatz sequence(harder version)
Make an anonymous function that has variable output
Find the right number make the equation
Big Integer Sqrt
Generate a vector like 1,2,2,3,3,3,4,4,4,4
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