Rotate input square matrix 90 degrees CCW without rot90
Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
Matrix to column conversion
Replacing a row
Log of a number
Magnitude of a vector (★★★)
Sum of terms in a series 1 (★★★)
Create a vector of n alternating ones and minus ones (★★)
Sum of elements of a vector (★★★)
Generate a vector which contains a pyramid pattern (★★★★)
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