test is a given integer number is Happy of not?
answer 1 if yes or 0 is no
sorry for that.
given 3 sides, find area of this triangle
What number has this problem?
Solving Quadratic Equations (Version 1)
remove nans fast
Convert a Cell Array into an Array
provide the numerical answer to these number questions...
create numeric palindromes and their square roots
Tony's trick for duplicating an mx1 vector n times
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