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.
Test for balanced parentheses
Back to basics 11 - Max Integer
Back to basics 14 - Keywords
Matrix indexing with two vectors of indices
Monte Carlo integration: area of a polygon
Just take it easy for a second or two!
Comparison of floating-point numbers (doubles)
Anyone for tennis? Your chances of winning a (standard) game
The twelve days of Christmas
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