Re: [Numpy-discussion] Should numpy.sqrt(-1) return 1j rather than nan?

[Stefan v. d. W. <st...@su...>]

On Thu, Oct 12, 2006 at 08:58:21AM -0500, Greg Willden wrote:
> On 10/11/06, Bill Baxter <wb...@gm...> wrote:
>=20
>     On 10/12/06, Greg Willden <gre...@gm...> wrote:
>     > Speed should not take precedence over correctness.
>=20
>     Unless your goal is speed.  Then speed should take precedence over
>     correctness.
>=20
>=20
> 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!"
>=20
> What kind of logic is that?

I tried to explain the argument at

http://www.scipy.org/NegativeSquareRoot

Cheers
St=E9fan