[Numpy-discussion] numpy.matlib.abs
Robert Kern
robert.kern@gmail....
Sun Feb 4 19:12:44 CST 2007
Keith Goodman wrote:
> There's a numpy.abs but no numpy.matlib.abs.
>
>>> import numpy as N
>>> import numpy.matlib as M
>>>
>>> N.abs?
> Type: ufunc
> Base Class: <type 'numpy.ufunc'>
> String Form: <ufunc 'absolute'>
> Namespace: Interactive
> Docstring:
> y = absolute(x) takes |x| elementwise.
>
>>> M.abs?
> Object `M.abs` not found.
numpy.abs() is not exported via "from numpy import *", which is where
numpy.matlib gets all of its non-overridden functions from. It is not exported
because it conflicts with the builtin abs().
Of course, absolute() is preferred for the same reason, and
numpy.matlib.absolute() does exist.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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