[Numpy-discussion] Functions for indexing into certain parts of an array (2d)

Robert Kern robert.kern@gmail....
Sun Jun 7 03:40:06 CDT 2009


On Sun, Jun 7, 2009 at 03:37, Fernando Perez <fperez.net@gmail.com> wrote:
> On Sun, Jun 7, 2009 at 1:28 AM, Fernando Perez <fperez.net@gmail.com> wrote:
>>
>> OK.  Will send it in when I know whether you'd want the fill_diagonal
>> one, and where that should go.
>>
>
> One more question.  For these *_indices() functions, would you want an
> interface that accepts *either*
>
> diag_indices(size,ndim)
>
> or
>
> diag_indices(anarray)
>
> Both can be useful depending on the case, but it  means leaving the
> first argument as an untyped placeholder and  typechecking on it.  I
> don't know if numpy has a policy on avoiding that kind of shenanigans.

*I* do.

-- 
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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