Non-uniform FFT
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Hello everybody,
I need your help. I have to perform a non-uniform fast fourier transform. I've find the matlab code:
But I can't use it because I don't understand how I can customize with my data. Could you give me some suggestions?
I've attached my data.
In particular my difficulties regarded how to choose: f,knots,N using my data.
Then I've obtained an error:
During my trials when I evaluate this line:
MattOut_T2=iFGG_1d_type2(MattOut_Gauss,knots,Desired_accuracy);
I've obtained this error:
Error using zeros
Size inputs must be integers.
Error in iFGG_1d_type2 (line 140)
F=[zeros(.5*(R-1)*N,1);F;zeros(.5*(R-1)*N,1)];
where
MattOut_Gauss=FGG_1d_type1(data(:),knots,[Nx],Desired_accuracy);
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Respuestas (1)
mingyu xiao
el 27 de Dic. de 2020
I think the problem lies in that, the number of input data of FGG_1d_type1 can be even or odd, but the number of input data of iFGG_1d_type2 must be even.
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