love the "unique" command!
Do not cheat yourself,OK?
I added additional cases to the test suite, so this attempted solution is incorrect now.
Angle between two vectors
We love vectorized solutions. Problem 1 : remove the row average.
find the maximum element of the matrix
Compare two input matrices
Figurate number triangle
Cull vector elements that contain a specified digit
Is my wife right? Now with even more wrong husband
Are you in or are you out?
Maintain shape of logical-index mask
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