On Numbers
Erik Max Francis
max at alcyone.com
Wed Jan 18 07:29:59 EST 2006
Steve Holden wrote:
> >>> import cmath
> >>> cmath.sqrt(-1)
> 1j
> >>>
>
> Indeed. But even exponentiation can come respectably close:
>
> >>> (-1+0j)**0.5
> (6.123233995736766e-17+1j)
Oh, no doubt. I was just pointing out that cmath.sqrt is what you want
if you really do want the complex result rather than the principal real one.
--
Erik Max Francis && max at alcyone.com && http://www.alcyone.com/max/
San Jose, CA, USA && 37 20 N 121 53 W && AIM erikmaxfrancis
Dear World: I am leaving because I am bored.
-- George Sanders (in his suicide note)
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