[Numpy-discussion] how to build a series of arrays as I go?
Mon Mar 17 12:46:25 CDT 2008
On Mon, Mar 17, 2008 at 12:16 PM, Chris Withers <email@example.com> wrote:
> Charles Doutriaux wrote:
> > 1-)You could use the concatenate function to grow an array as you go.
> Thanks. Would it be more efficient to build the whole set of arrays as
> lists first or build them as arrays and use concatenate?
Appending to a list is almost always better than growing an array by
concatenation. If you have a real need for speed, though, there are a
few tricks you can do at the expense of complexity. However, appending
to a list is really the best practice.
"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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