Doug, Check page 262 of "Handbook of Numerical Calculations in Engineering" by Jan J. Tuma, McGraw-Hill, 1989. If you don't have a copy then let me know off line and I will send you a pdf copy of the page. Harold L. Snyder, Jr. Scientist & Consultant Begin Included Message: =============================== > Subj:[SI-LIST] Fourier Series, trapeziod > Date:3/14/2002 4:02:05 PM Central Standard Time > From:<A HREF="mailto:doug@xxxxxxxxxx";>doug@xxxxxxxxxx</A> > To:<A HREF="mailto:si-list@xxxxxxxxxxxxx";>si-list@xxxxxxxxxxxxx</A> > Sent from the Internet > > > Can anyone give me a Fourier series for a trapezoidal waveform? Or point me > > to a source where I can find it. > > Thanks > > Doug Brooks > =============================== End Included Message. ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu