test is a given integer number is Happy of not?
answer 1 if yes or 0 is no
sorry for that.
Times 2 - START HERE
Find the sum of all the numbers of the input vector
Maximum value in a matrix
Magic Concentric Circles
Tony's trick for duplicating an mx1 vector n times
Convert vector datasets to plot with imagesc instead of scatter
provide the numerical answer to these number questions...
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