pencil.py 文件源码

def complex_local_wavenumbers(self):
        s = self.complex_local_slice()
        return (fftfreq(self.N[0], 1./self.N[0]).astype(int)[s[0]],
                fftfreq(self.N[1], 1./self.N[1]).astype(int),
                rfftfreq(self.N[2], 1./self.N[2]).astype(int)[s[2]])