very cool question: learn some new tricks, and get 10 points, why not?!
Hint to spare the pain : string(NaN)==
Triangle Numbers Below N
Find the nearest integer
find the maximum element of the matrix
Natural numbers in string form
Find the nearest prime number
0, 2, 0, -2, 0, 2, 0, -2, ...
Combine the first and last names
The Top 5 Primes
Hankelize a matrix
Generating random matrix with given probability mass function
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