Re: Re[] function
- To: mathgroup at smc.vnet.net
- Subject: [mg105979] Re: [mg105957] Re[] function
- From: DrMajorBob <btreat1 at austin.rr.com>
- Date: Tue, 29 Dec 2009 01:18:02 -0500 (EST)
- References: <200912280955.EAA01706@smc.vnet.net>
- Reply-to: drmajorbob at yahoo.com
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