numpy.sign(x[, out]) = Returns an element-wise indication of the sign of a number. The

numpy.real_if_close(a, tol=100)

numpy.log10(x[, out]) = Return the base 10 logarithm of the input array, element-wise.

numpy.degrees(x[, out]) = Convert angles from radians to degrees.

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

numpy.reciprocal(x[, out]) = Return the reciprocal of the argument, element-wise. Calculates 1/x.

numpy.convolve(a, v, mode='full')

numpy.ldexp(x1, x2[, out]) = Returns x1 * 2**x2, element-wise. The mantissas x1 and twos exponents x2

numpy.subtract(x1, x2[, out]) = Subtract arguments, element-wise.

numpy.sinc(x)