test is a given integer number is Happy of not?
answer 1 if yes or 0 is no
sorry for that.
Sort a list of complex numbers based on far they are from the origin.
Vectorizing, too easy or too hard?
Output any real number that is neither positive nor negative
Find the dimensions of a matrix
Convert vector datasets to plot with imagesc instead of scatter
Is this number Munchhausen Narcissistic?
remove nans fast
Tony's trick for duplicating an mx1 vector n times
Create numeric palindromes and their square roots
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