signal.fftconvolve equivalent in Matlab

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Avik Mahata
Avik Mahata 2021-6-26
回答： Swetha Polemoni 2021-6-29
I hav a matrix of dipole moment and I need to get the autocorrelation funcion. In Python it does with these two lines of code. I am wondering what will be the Matlab equivalent for this two lines,
autocorr_x_full = (signal.fftconvolve(dipole_x_shifted,dipole_x[::-1], mode='same')[(-len(time)):] / np.arange(len(time), 0, -1))
autocorr = autocorr_full[:int(len(time) * fraction_autocorrelation_function_to_fft)]

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回答（1 个）

Swetha Polemoni
Swetha Polemoni 2021-6-29
Hi Avik Mahata
It is my understanding that you want to do convolution and autocorrelation in matlab. You can use Matlab functions 'conv' and'autocorr' for convolution and autocorrelation.

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