The function you are trying to use here is part of the Signal Processing Toolbox, which is not available on Cody. However, you might find another way of implementing your idea in core MATLAB without that specific function.
Back and Forth Rows
Poker Series 09: IsHighCard
Back to basics 17 - white space
Back to basics: adding comments to your code
Wait a second!
Make your own Test Suite (part 1)
Anyone for tennis? Your chances of winning a (standard) game
Comparison of floating-point numbers (doubles)
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