numpy

numpy.fft.fft

numpy.linspace

numpy.polyfit

numpy.hamming

numpy.histogram

numpy.kaiser

numpy.fft.ifft

numpy.interp

numpy.geomspace

numpy.bartlett

numpy.ma.extras.polyfit

numpy.hanning

numpy.sinc

numpy.fft.ifftn

numpy.meshgrid

numpy.logspace

numpy.fft.fftn

numpy.blackman

numpy.linalg.lstsq

numpy.histogram2d