Really fun problem, but the test case is totally wrong. :-(
glad you liked the problem, but the test case is correct just obfuscated.
Angle of triangle
Angle between two vectors
Output any real number that is neither positive nor negative
Is it an Armstrong number?
A matrix of extroverts
remove nans fast
Strange Number Algorithms
Convert vector datasets to plot with imagesc instead of scatter
is the number happy?
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