fft dim parameter when ndims(x) > 2

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Sndn_Shr
Sndn_Shr 2017-10-25
回答： Honglei Chen 2017-10-25
fft dim shows how dim parameter is used for multidimensional signals of ndims(X) = 2
When ndims(X) > 2 how is it used?
(I cannot use fftn here.)

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Honglei Chen
Honglei Chen 2017-10-25
If you have a multidimensional array x, say
x = ones(3,4,5)
then
fft(x,[],3)
will perform FFT on the dimension with 5 elements, and so on.
HTH

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