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Re: Request

• To: mathgroup at smc.vnet.net
• Subject: [mg86559] Re: Request
• From: dh <dh at metrohm.ch>
• Date: Thu, 13 Mar 2008 20:51:52 -0500 (EST)
• References: <frasf4$1lc$1@smc.vnet.net>

Hi Billy,

the magic word is Fourier. Look it up in the manual.

hope this helps, Daniel



Billy Thompson wrote:

> Hi,

> 

> I am Billy, a research assistant, and i have started using Mathematica  at the beginning of my research. However i  wanted to  know, if you people can please help me, if there is an implementation of the Fast Fourier Transform (FFT) in Mathematica. I work with large matrix systems and i need to multiply matrices and vectors using the FFT. I would sincerely be immensely grateful if you could help me and i am waiting for an answer in the near future. 

>  Thanking you in anticipation,

>  Yours Sincerely

>  Billy

>        

> 

>