RE: [amibroker] Re: Help with Tomasz's Example on FFT

[Paul Ho]

of course, thanks From: amibroker@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of Fred Sent: Wednesday, 1 November 2006 6:07 PM To: amibroker@yahoogroups.com Subject: [amibroker] Re: Help with Tomasz's Example on FFT It's plotting the cycle itself ... --- In [EMAIL PROTECTED]ps.com, "Paul Ho" <[EMAIL PROTECTED].> wrote: > > Hello, > > I've been going over Tomasz's example on FFT that he published on with the > release of 4.87 beta. > > So far so good with the exception of the last plot statement > > > > Plot( cos( phase[ sbar * 2 ] + (sbar) * x1 * 2 * 3.1415926 / Len ), > > " dominant cycle "+ Len/(sbar) + "(" + sbar + " bin) bars", colorBlue, > styleOwnScale ); > > > > It seems that this statement is plotting the weighting factor of the fourier > transform > > > > Wk = cos(2ðk/N + ö) > > Where ö is the phase angle and k is the no of harmonics in the series. > > If this is the case, how is it related to the dominant cycle. > > > > Any explanations will be greatly appreacriated. > > > > Thanks > > Paul. > __._,_.___ Please note that this group is for discussion between users only. To get support from AmiBroker please send an e-mail directly to SUPPORT {at} amibroker.com For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG: http://www.amibroker.com/devlog/ For other support material please check also: http://www.amibroker.com/support.html SPONSORED LINKS Investment management software Investment property software Investment software Investment tracking software Return on investment software Your email settings: Individual Email|Traditional Change settings via the Web (Yahoo! ID required) Change settings via email: Switch delivery to Daily Digest | Switch to Fully Featured Visit Your Group | Yahoo! Groups Terms of Use | Unsubscribe __,_._,___