Le mercredi 06 mai 2009 à 10:21 -0400, josef.p...@gmail.com a écrit : > On Wed, May 6, 2009 at 10:00 AM, Talbot, Gerry <gerry.tal...@amd.com> wrote: > > Sorry, I guess I wasn't clear, I meant: > > > > for n in xrange(1,N): > > y[n] = A*x[n] + B*y[n-1] > > > > So y[n-1] is the result from the previous loop iteration. > > > > I was using scipy.signal for this but I have to look up what I did > exactly. I think either signal.correlate or using signal.lti. > > Josef
Isn't it what scipy.signal.lfilter does ? y=scipy.signal.lfilter([A],[1,-B],x) You may be careful with initial conditions... -- Fabrice Silva <si...@lma.cnrs-mrs.fr> LMA UPR CNRS 7051 _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion