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Math Forum » Discussions » sci.math.* » sci.math.num-analysis

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Topic: derivative of discrete fourier transform interpolation
Replies: 8   Last Post: Jun 6, 2013 7:24 AM

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Rusty

Posts: 108
Registered: 6/16/05
Re: derivative of discrete fourier transform interpolation
Posted: Sep 30, 2005 4:30 AM
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Correction^2

> x(s)= (1/N)*sum {n=0...(N/2)} X(n)*exp(2i*pi*n*s/N) + (1/N)*sum
> {n=1...(N/2)-1} X(N-n)*exp(-2i*pi*n*s/N)

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