Should numpy.sqrt(-1) return 1j rather than nan?
Stefan van der Walt
stefan at sun.ac.za
Thu Oct 12 09:28:28 CDT 2006
On Thu, Oct 12, 2006 at 08:58:21AM -0500, Greg Willden wrote:
> On 10/11/06, Bill Baxter <wbaxter at gmail.com> wrote:
>
> On 10/12/06, Greg Willden <gregwillden at gmail.com> wrote:
> > Speed should not take precedence over correctness.
>
> Unless your goal is speed. Then speed should take precedence over
> correctness.
>
>
> Huh?
> Person 1: "Hey you should use function X."
> Person 2: "No, it doesn't give me the correct answer."
> Person 1: "Who cares? It's fast!"
>
> What kind of logic is that?
I tried to explain the argument at
http://www.scipy.org/NegativeSquareRoot
Cheers
Stéfan
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