test is a given integer number is Happy of not?
answer 1 if yes or 0 is no
sorry for that.
Make a checkerboard matrix
Which doors are open?
Arrange Vector in descending order
peta to nano (x-ray)
create numeric palindromes and their square roots
Strange Number Algorithms
provide the numerical answer to these number questions...
remove nans fast
Convert a Cell Array into an Array
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