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.
Figurate number triangle
Is this date a palindrome?emordnilap a etad siht sI
Next lexicographic - permutation
Getting logical indexes
Testing for randomness: uniform distribution of real numbers (distribution checking)
The twelve days of Christmas
Rate of event occurence: find percentiles of the distribution (for smallish rates)
Make your own Test Suite (part 0)
Make your own Test Suite (part 2)
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