test is a given integer number is Happy of not?
answer 1 if yes or 0 is no
sorry for that.
Find the sum of the elements in the "second" diagonal
7 segment LED display
Vectorize the digits of an Integer
Return 'on' or 'off'
Return area of square
Is this number Munchhausen Narcissistic?
Convert a Cell Array into an Array
Convert vector datasets to plot with imagesc instead of scatter
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