I really don't see the point of that kind of problems where you can't use Matlab built-in functions.
Distance walked 1D
Inner product of two vectors
Replace May with April
Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
Find the index of the largest value in any vector X=[4,3,4,5,9,12,0,4.....5]
Return unique values without sorting
Number of bytes required to store a sparse matrix
Find the list of all open files
Join Strings with Multiple Different Delimiters
Set the array elements whose value is 13 to 0
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