Make the following variable:
Remove the polynomials that have positive real elements of their roots.
Back to basics 5 - Clipboard
Set the array elements whose value is 13 to 0
Matlab Basics - Absolute Value
05 - Vector Equations 1
02 - Vector Variables 4
07 - Common functions and indexing 3
02 - Vector Variables 2
07 - Common functions and indexing 1
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