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Amiga Format CD46 (1999-10-20)(Future Publishing)(GB)[!][issue 1999-12].iso
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zpbutt.7
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1999-09-16
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zpbutt(1) Scilab Function zpbutt(1)
NAME
zpbutt - Butterworth analog filter
CALLING SEQUENCE
[pols,gain]=zpbutt(n,omegac)
PARAMETERS
n : integer (filter order)
omegac : real (cut-off frequency in Hertz)
pols : resulting poles of filter
gain : resulting gain of filter
DESCRIPTION
computes the poles of a Butterworth analog filter of order n and cutoff
frequency omegac transfer function H(s) is calculated by H(s) =
gain/real(poly(pols,'s'))
AUTHOR
F.D.