Back to basics 22 - Rotate a matrix
Make a 1 hot vector
Create matrix of replicated elements
Integer or Float?
Function 1 (★)
Extract leading non-zero digit (★★★★★)
Select every other element of a vector (★★)
Average of corner elements of a matrix (★★)
*Prime number check 2 (in construction)
Make a checkerboard matrix (★★★★★)
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