test is a given integer number is Happy of not?
answer 1 if yes or 0 is no
sorry for that.
The Goldbach Conjecture, Part 2
It dseon't mettar waht oedrr the lrettes in a wrod are.
Sophie Germain prime
Fibonacci-Sum of Squares
Sum the 'edge' values of a matrix
Tony's trick for duplicating an mx1 vector n times
remove nans fast
Convert vector datasets to plot with imagesc instead of scatter
Strange Number Algorithms
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