[SciPy-User] [SciPy-user] zplane function equivalent
Fri Oct 2 11:03:28 CDT 2009
replying to my own post.
using the functon
scipy.signal.tf2zpk gives the poles and zeros which can then be plotted
> I'm looking for a function that performs the equivalent of zplane in
> matlab. That is I have the coefficients of a filter and I would like to
> see the poles and zeros plotted on the zplane.
> anyone managed this before? I guess I could find the roots myself and
> then build a custom plot to do it but I'd rather not :)
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