spectral density for an array ?

2019 3 29
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更新时间：2019 3 29
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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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Willim
Willim
2019-3-29

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Matt J
Matt J
2019-3-29

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