Re: Solving an equation

• To: mathgroup at smc.vnet.net
• Subject: [mg51346] Re: Solving an equation
• From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
• Date: Fri, 15 Oct 2004 02:45:38 -0400 (EDT)
• Organization: Uni Leipzig
• References: <cklle4\$eqe\$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

```Hi,

and

FindRoot[Evaluate[
Thread[{Re[#], Im[#]} & /@ (Gamma[x + I*y] == 2 + I*4)]], {x, 3}, {y, 3}]

does ot help ??
Regards
Jens

"Scott" <jujio77 at yahoo.com> schrieb im Newsbeitrag
news:cklle4\$eqe\$1 at smc.vnet.net...
>I have an equation, Gamma[a+I b] = some complex number.  I need to
> solve this equation for a and b.  I can write a+I b as z, but it can't
> be solved through NSolve.  What I have been doing is a double do loop
> for a and b and getting some number.  Then I compare this to the
> number I have.  Then I narrow down my possibilities for a and b, and
> go through the process again.  Does anyone know of a better way to do
> this problem?  Is there a way to have Mathematica compare each result
> of the do loop to a given value, and given certain conditions spit out
> an answer for a and b?
>
> Hope that makes sense.
>

```

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