For a given square matrix x and scalar a, find x^a without using '^' or 'mpower'.
Indexed Probability Table
First non-zero element in each column
Converting Decimal to Binary
Volume of a Parallelepiped
Return the first and last character of a string
Replace multiples of 5 with NaN
Count up then down
Get ranks of values in a vector
Apply a function array to an array of numbers
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