complex Numeric arrays

Peter Otten __peter__ at web.de
Mon Nov 24 18:58:48 CET 2003


Christian Kristukat wrote:

>> how can I evaluate a expression like the following:
>> 1/(a + jb) where j is the imaginary unit and a and b are Numeric real
>> float arrays. I don't want to have to split up the expression in real
>> and imaginary parts.
> 
> I just found it out by myself:
> 
> 1/(a+b*1j)

Or 

>>> a = 1
>>> b = 2
>>> 1/complex(a,b)
(0.20000000000000001-0.40000000000000002j)

Peter




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