For a given square matrix x and scalar a, find x^a without using '^' or 'mpower'.
Make one big string out of two smaller strings
Find the sum of the elements in the "second" diagonal
Back to basics 15 - Benchmark
letter yes yes & letter no no
Center of mass
Two-output anonymous function?
Flexible Anonymous Function
Count up then down
Create an 'arrow-head" matrix
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