trouble with complex numbers

[Chris Rebert]

On Tue, Aug 4, 2009 at 11:28 PM, Dr. Phillip M.
Feldman<pfeldman at verizon.net> wrote:
>
> When I try to compute the phase of a complex number, I get an error message:
>
> In [3]: from cmath import *
> In [4]: x=1+1J
> In [5]: phase(x)
> <snip>
> NameError: name 'phase' is not defined
> <snip>
> AttributeError: 'complex' object has no attribute 'phase'

I suspect the problem lies in what you snipped away:
In [1]: from cmath import phase

In [2]: x=1+1J

In [3]: phase(x)
Out[3]: 0.78539816339744828

Cheers,
Chris
-- 
http://blog.rebertia.com