[Numpy-discussion] ENH: softmax

[Kulick, Johannes]

Alright. Going for scipy.special then. Thanks for the quick answer.

Cheers
Johannes

On 14.03.18, 19:03, "NumPy-Discussion on behalf of Marten van Kerkwijk" <numpy-discussion-bounces+jkkulick=amazon.de at python.org on behalf of m.h.vankerkwijk at gmail.com> wrote:

    On Wed, Mar 14, 2018 at 9:44 AM, Hameer Abbasi
    <einstein.edison at gmail.com> wrote:
    > I possible, write it as a `gufunc`, so duck arrays can override with
    > `__array_ufunc__` if
    >
    > necessary. -- Marten
    >
    > Softmax is a very simple combination of elementary `ufunc`s with two inputs,
    > the weight vector `w` and the data `x`. Writing it as a `gufunc` would be
    > going overboard, IMO. Writing it as a combination of `ufunc`s and avoiding
    > Numpy-specific stuff should be good enough.
    
    My mistake - I thought the result was reduced, but you only need a
    reduction along the way. Writing this in terms of standard functions
    is certainly fine!
    -- Marten
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