numpy.arccos(x[, out]) = Trigonometric inverse cosine, element-wise. The inverse of

numpy.testing.assert_raises_regex(exception_class, expected_regexp, callable_obj=None, *args, **kwargs)

numpy.transpose(a, axes=None)

numpy.polyfit(x, y, deg, rcond=None, full=False, w=None, cov=False)

numpy.random.gumbel(loc=0.0, scale=1.0, size=None) Draw samples from a Gumbel distribution. Draw samples from a

numpy.arctanh(x[, out]) = Inverse hyperbolic tangent element-wise.

numpy.add(x1, x2[, out]) = Add arguments element-wise.

numpy.ceil(x[, out]) = Return the ceiling of the input, element-wise. The ceil of the scalar x is the smallest

numpy.ma.diag(v, k=0)

numpy.polynomial.laguerre.lagzero = array([0])