Equivalent to list.index ?
George Sakkis
george.sakkis at gmail.com
Sun Nov 12 15:19:03 EST 2006
Keith Goodman wrote:
> On 11/12/06, George Sakkis <george.sakkis at gmail.com> wrote:
> > This must be pretty trivial but I couldn't find it in the docs: what's
> > the "numpythonic" way to find the (first) index of an element, i.e. the
> > equivalent to list.index ?
>
> Does where work?
def index(a, value):
return N.where(a==value)[0][0]
This works but seems clunky and less efficient than necessary. If there
isn't a better alternative, I would welcome a new index()
function/method in the next numpy release.
George
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