C++Talk.NET C++ language newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Re: Fourier Transform in 1 and 2 dimensions          C++Talk.NET Forum Index -> C++ language (comp.lang.c++) View previous topic :: View next topic   Author Message Raghavendra Mahuli Guest Posted: Thu Dec 30, 2004 10:14 am    Post subject: Re: Fourier Transform in 1 and 2 dimensions To find the fourier transform of a dicrete signal, try the following:- 1. Hold a array of input nos. 2. hold a buffer (of size 2n+1) for output nos. 3. Use FFT algorithm ( if u dnt know how to use FFT algotithm, mail me) 4. U'll get the o/p Alternatively, you can try the book " numeical recipes in C" It has implementation of FFT ( but it is in C) raghu "SC" <sedefcakmak (AT) gmail (DOT) com> wrote Quote: I couldn't write a program that make fourier transform in one and two dimens in C++. I couldn't solve correctly determinant of 3*3 matrix ic C++ too. Can you help me about that?? Thanks! Back to top Greg Schmidt Guest Posted: Fri Dec 31, 2004 4:59 pm    Post subject: Re: Fourier Transform in 1 and 2 dimensions On Thu, 30 Dec 2004 15:44:45 +0530, Raghavendra Mahuli wrote: Quote: To find the fourier transform of a dicrete signal, try the following:- 1. Hold a array of input nos. 2. hold a buffer (of size 2n+1) for output nos. 3. Use FFT algorithm ( if u dnt know how to use FFT algotithm, mail me) 4. U'll get the o/p Alternatively, you can try the book " numeical recipes in C" It has implementation of FFT ( but it is in C) See also http://www.fftw.org/ -- Greg Schmidt [email]gregs (AT) trawna (DOT) com[/email] Trawna Publications http://www.trawna.com/ Back to top Johannes Bauer Guest Posted: Fri Dec 31, 2004 7:24 pm    Post subject: Re: Fourier Transform in 1 and 2 dimensions SC wrote: Quote: I couldn't write a program that make fourier transform in one and two dimens in C++. I couldn't solve correctly determinant of 3*3 matrix ic C++ too. Can you help me about that?? Thanks! 3x3 Matrix: Sarrus' rule. Other Matrix, complicated: Cramer's rule. Other Matrix, easy: Gaussian transformation, multiplication of diagonal values. Greetings, Johannes -- PLEASE verify my signature. Some forging troll is claiming to be me. My GPG key id is 0xCC727E2E (dated 2004-11-03). You can get it from wwwkeys.pgp.net or random.sks.keyserver.penguin.de. Also: Messages from "Comcast Online" are ALWAYS forged. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.6 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFB1aeICseFG8xyfi4RAiu/AJ9P82XLAABF45T+iRqYytw+U0dFkgCfS9m0 rQl8/GdEMAoUUfYfNS1WODo= =Vmwf -----END PGP SIGNATURE----- Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First         C++Talk.NET Forum Index -> C++ language (comp.lang.c++) All times are GMT Page 1 of 1   Jump to: Select a forum C/C++----------------C LanguageC Language (Moderated)C++ Language (Moderated)C++ language (comp.lang.c++)C++ language, library and standards Non-English C/C++ Newsgroups----------------C++ (German)C++ (French)  You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum Powered by phpBB © 2001, 2006 phpBB Group SEO toolkit © 2004-2006 webmedic.