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latest (dev)2026-09-08 v1.0.02026-09-06

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tensorplay.fft._frequency.ifftshift

tensorplay.fft._frequency.ifftshift(input, dim=None)[source]: Inverse of fftshift(); shifts by -(n // 2) (odd-safe).

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tensorplay.fft._frequency.fftshift

Re-orders an N-D FFT output so the zero-frequency term is centered.

tensorplay.fft._frequency.rfftfreq

Sample frequencies for rfft() /one-sided transforms: [0..n//2] / (n*d) .

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