Re: Evaluating the Error Function of a Complex Argument
- To: mathgroup at smc.vnet.net
- Subject: [mg31351] Re: Evaluating the Error Function of a Complex Argument
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Tue, 30 Oct 2001 04:35:35 -0500 (EST)
- Organization: Universitaet Leipzig
- References: <9rj0su$eps$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi, Erf[I*y] should go to infinity. What is inaccurate for high y ? Erf[10*I] is already 1.52431*10^42 ? Regards Jens Michael Thompson and Carol Aziz wrote: > > I'm looking for an algorithm or equation to evaluate the error function > of a complex argument (erf(x+yi)). Can anyone provide assistance? I > have been using an infinite series approximation for the complex error > function that I found in Abramowitz and Stegun's Handbook of > Mathematical Functions. However, the solution appears inaccurate for > high values of y. Are there any other approaches? > > Thanks in advance for any assistance. Please respond directly to this > email address, if possible. > > Carol Aziz