what is the inverse function (inufft??) of non uniform version Fast Fourier transform(nufft)?

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川 杨
川 杨 2022-7-8
回答： Umang Pandey 2023-9-26
Hi guys,
I would like to ask the N-D inverse non uniform Fast Fourier Transform (inufftn). It seems that inufftn is still in the air.
Looking forward hearing from you guys!

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回答（1 个）

Umang Pandey
Umang Pandey 2023-9-26
Hi,
As per the MATLAB release 2023b, the function "inufftn" does not exist. However, you can refer to the following MATLAB answer to get an idea on how to implement it:
https://www.mathworks.com/matlabcentral/answers/829233-how-do-i-invert-a-non-uniform-fft-using-the-nufft-function?s_tid=srchtitle
Best,
Umang

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