[Numpy-discussion] iterate over multiple arrays

Charles R Harris charlesr.harris@gmail....
Sat Oct 1 14:11:32 CDT 2011


On Sat, Oct 1, 2011 at 11:34 AM, Olivier Delalleau <shish@keba.be> wrote:

> It'll work, it is equivalent to the suggestion I made in my previous post
> with the f_inplace wrapper function (and it has the same drawback that numpy
> will allocate temporary memory, which wouldn't be the case if f was working
> in-place directly, by implementing it as "arr *= 2").
>
> Note that you don't need to write x[:] * 2, you can write x * 2 directly.
>

Or even x *= 2

<snip>

Chuck
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