Re: Re[] function
- To: mathgroup at smc.vnet.net
- Subject: [mg105987] Re: [mg105957] Re[] function
- From: Fabian Marcel <fabian.uriarte at gmail.com>
- Date: Tue, 29 Dec 2009 01:20:02 -0500 (EST)
- References: <200912280955.EAA01706@smc.vnet.net>
Thank you all for your sharing your knowledge of Mathematica; all were great
answers and some above my head :)
The answers by David Park and DrMajorBob close this case. Thank you.
-Fabian
On Mon, Dec 28, 2009 at 9:10 AM, DrMajorBob <btreat1 at austin.rr.com> wrote:
> Your first line has no effect.
>
>
> Z = (Rm*\[ImaginaryJ] Xm)/(Rm + \[ImaginaryJ]*Xm);
> ComplexExpand@Re[Z]
>
>
> (Rm Xm^2)/(Rm^2 + Xm^2)
>
> Bobby
>
>
> On Mon, 28 Dec 2009 03:55:34 -0600, Fabian <fabian.uriarte at gmail.com>
> wrote:
>
> Dear Group-
>>
>> Why can't Mathematica evaluate "Re[]" here ?
>>
>> {Rm, Xm} \[Element] Reals;
>> Z = (Rm*\[ImaginaryJ] Xm)/(Rm + \[ImaginaryJ]*Xm);
>> Z = ComplexExpand[Z]
>> Re[Z]
>>
>> -Thank you
>>
>>
>
> --
> DrMajorBob at yahoo.com
>
- References:
- Re[] function
- From: Fabian <fabian.uriarte@gmail.com>
- Re[] function