[Numpy-discussion] How to unitize a array in numpy?

Robert Kern robert.kern@gmail....
Tue Dec 9 21:04:24 CST 2008


On Tue, Dec 9, 2008 at 20:56, Grissiom <chaos.proton@gmail.com> wrote:
> On Wed, Dec 10, 2008 at 10:36, Robert Kern <robert.kern@gmail.com> wrote:
>>
>> On Tue, Dec 9, 2008 at 20:24, Grissiom <chaos.proton@gmail.com> wrote:
>> > Hi all,
>> >
>> > Nice to neet you all. I am a newbie in numpy. Is there any function that
>> > could unitize a array?
>>
>> If you mean like the Mathematica function Unitize[] defined here:
>>
>>  http://reference.wolfram.com/mathematica/ref/Unitize.html
>>
>> Then .astype(bool) is probably sufficient.
>>
>> --
>> Robert Kern
>
> I'm sorry for my poor English. I mean a function that could return a unit
> vector which have the same direction with the original one. Thanks.

v / numpy.linalg.norm(v)

-- 
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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