# tensorplay.fft._frequency.rfftfreq Source: https://www.tensorplay.cn/docs/generated/tensorplay.fft._frequency.rfftfreq.html ```python tensorplay.fft._frequency.rfftfreq(n, d=1.0, *, out=None, dtype=None, layout=None, device=None, requires_grad=False) ``` Sample frequencies for rfft()/one-sided transforms: [0..n//2] / (n*d).