For a given square matrix x and scalar a, find x^a without using '^' or 'mpower'.
Swap the first and last columns
Find the maximum number of decimal places in a set of numbers
Output any real number that is neither positive nor negative
How many days does the cat take to climb out of the hole?
Create an 'arrow-head" matrix
Apply a function array to an array of numbers
Flexible Anonymous Function
Get ranks of values in a vector
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