The author intenionally hide some info about the website's matlab code, since both of fomula and code calculate M4 with slightly different way, in Cody, you DO NOT NEED to minus the mean of P, unlike this website's code actually did that. I learned that in hard way, but deeply hope you guys enjoy to optimize this code.
Pythagorean perfect squares: find the square of the hypotenuse and the length of the other side
Back to basics 19 - character types
Make an awesome ramp for a tiny motorcycle stuntman
Back to basics 24 - Symbolic variables
02 - Vector Variables 2
Replace all zeros and NaNs in a matrix with the string 'error'
Sum the entries of each column of a matrix which satisfy a logical condition.
Reassign cell contents to empty variables, preserving cell content data type
From a given cell array of strings, extract the non-unique strings.
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