numpy.multiply(x1, x2[, out]) = Multiply arguments element-wise.

numpy.signbit(x[, out]) = Returns element-wise True where signbit is set (less than zero).

ndarray.ravel([order]) Return a flattened array. Refer to

numpy.random.set_state(state) Set the internal state of the generator from a tuple. For use if one has reason

chararray.count(sub, start=0, end=None)

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

Laguerre.truncate(size)

numpy.polynomial.laguerre.lagline(off, scl)

numpy.ma.make_mask_descr(ndtype)

numpy.core.defchararray.lstrip(a, chars=None)