pysteps.utils.spectral.mean

pysteps.utils.spectral.mean(X, shape)

Compute the mean value of a two-dimensional array in the spectral domain.

Parameters:
X : array_like

A complex array representing the Fourier transform of a two-dimensional array.

shape : tuple

A two-element tuple specifying the shape of the original input array in the spatial domain.

Returns:
out : float

The mean value.