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

AUTHOR
F.D.