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MathGroup Archive 2005

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Re: Re: Solve Limitations

  • To: mathgroup at smc.vnet.net
  • Subject: [mg63182] Re: [mg63163] Re: Solve Limitations
  • From: Pratik Desai <pdesai1 at umbc.edu>
  • Date: Sat, 17 Dec 2005 03:46:15 -0500 (EST)
  • References: <IRGQVT$2C607F9DAA7468FE284C86E7560B5F2C@bol.com.br> <A67108E9-A365-40E5-856F-610C5E0BAEF1@mimuw.edu.pl> <200512140936.EAA02453@smc.vnet.net> <dnrcfl$khv$1@smc.vnet.net> <200512161222.HAA15821@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Paul Abbott wrote:

>In article <dnrcfl$khv$1 at smc.vnet.net>, Pratik Desai <pdesai1 at umbc.edu> 
>wrote:
>
>  
>
>>To state the obvious, in general roots of analytic functions are hard to 
>>find. I had the misfoutune to come across a nasty complex trancendental 
>>equation. I found this Fortran Code ZEAL (Zeros of Analytic Functions) 
>>quite invaluable. Needless to say, Solve, Reduce did not help much.
>>http://cpc.cs.qub.ac.uk/summaries/ADKW_v1_0.html
>>
>>A Mathematica implimentation of this software would come a long way in 
>>helping us poor engineers deal with such trancendental equations. The 
>>system that I was dealing with has obvious practical significance, the 
>>only hinderance being the lack of tools such as root solvers such as 
>>ZEAL. Any takers??
>>
>>PS: Zeal not only can find the zeros of f(z) but also gives one the 
>>values for f(z) with high degre of precision
>>    
>>
>
>Have a look at the RootSearch package by Ted Ersek:
>
>  http://library.wolfram.com/infocenter/MathSource/4482/
>
>Cheers,
>Paul
>
>_______________________________________________________________________
>Paul Abbott                                      Phone:  61 8 6488 2734
>School of Physics, M013                            Fax: +61 8 6488 1014
>The University of Western Australia         (CRICOS Provider No 00126G)    
>AUSTRALIA                               http://physics.uwa.edu.au/~paul
>
>  
>
Thanks Paul
I did try it out once. But I was under the impression it only dealt with 
algebraics and reals, not analytic functions?

Regards
Pratik

-- 
Pratik Desai 

...Moderation, as well as Regularity of Thinking, so much to be wished for in the Heads of those who imagine they come into the World only to watch and govern it?s Motion
Gulliver's Travels
by Jonathan Swift




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