spectral density for an array ?

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Willim on 29 Mar 2019

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Edited: Matt J on 29 Mar 2019

I have an array x = [ 4 5 5 6 4 2 6 7 4] , i would like to use fft to find the spectral density for x ? is there anyway to find it by matlab

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Matt J on 29 Mar 2019

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Edited: Matt J on 29 Mar 2019

periodogram | pwelch
pmtm | pspectrum

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