Clever cheat-prevention strategy!
Construct a string from letters and counts
Compute a dot product of two vectors x and y
Find the elements of a matrix according to a defined property.
Replace all zeros and NaNs in a matrix with the string 'error'
sum of first 'n' terms
Convert a numerical matrix into a cell array of strings
Unique values without using UNIQUE function
Fill a zeros matrix
Set some matrix elements to zero
Wind outward from the center ...
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