iir help pages says the wrong thing about the returned values p (poles) and z (zeros)
Reported by Philippe Couvignou
BUG DESCRIPTION:
----------------
The help page for iir says the wrong thing about the returned values [p,z,g] for the IIR filter.
It says z are the poles and p are the zeros.
It should say p are the poles and z are the zeros.
ERROR LOG:
----------
HOW TO REPRODUCE THE BUG:
-------------------------
help iir
OTHER INFORMATION:
------------------