On Friday, June 6, 2014 2:16:57 AM UTC-7, F. B. wrote:
>
>
>
> On Friday, June 6, 2014 2:36:34 AM UTC+2, jeanbi...@gmail.com wrote:
>>
>>
>> var('A,B,C,D,u,v,qi,qf')
>> qi = 1/(u-I*v)
>> qf = (A+B/qi)/(C+D/qi)
>>
>
> First of all, you don't need to declare *qi* and *qf* in var( ... ),
> because they get overwritten in the next expressions.
>
> By the way, maybe you mean that A, B, C, D, u, v are real? What about this:
>
> var('A,B,C,D,u,v', real=True)
>
> expand(1/qf, complex=True) looks much nicer.
>
This is exactly what I was trying to do/get! The answer matches my hand
calc. and Mathematica perfectly.
I wasn't aware that variables could be explicitly declared in this manner -
very good to know.
Thank you for the quick response.
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