Covering some basic topics I haven't seen elsewhere on Cody.
Return the class of the input variable.
Find the numeric mean of the prime numbers in a matrix.
Back to basics 16 - byte order
Detect a number and replace with two NaN's
Generate a random matrix A of (1,-1)
Valid Chess Moves
Back to basics 5 - Clipboard
Back to basics 26 - Keywords
Back to basics 20 - singleton dimensions
Back to basics 21 - Matrix replicating
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