RandomState.gamma(shape, scale=1.0, size=None) Draw samples from a Gamma distribution. Samples are drawn

numpy.ma.masked_less_equal(x, value, copy=True)

class numpy.polynomial.legendre.Legendre(coef, domain=None, window=None)

chararray.zfill(width)

numpy.count_nonzero(a) Counts the number of non-zero values in the array a.

numpy.nanmedian(a, axis=None, out=None, overwrite_input=False, keepdims=False)

numpy.polynomial.laguerre.lagtrim(c, tol=0)

dtype.newbyteorder(new_order='S') Return a new dtype with a different byte order. Changes are also made in all

numpy.extract(condition, arr)

numpy.diagflat(v, k=0)