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MathGroup Archive 2003

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Re: Complex root finding

  • To: mathgroup at
  • Subject: [mg39252] Re: Complex root finding
  • From: "Alan Lewis" <alanlewis at>
  • Date: Thu, 6 Feb 2003 03:07:13 -0500 (EST)
  • References: <> <b1q6kc$341$>
  • Sender: owner-wri-mathgroup at

> A method using the Cauchy integral formula for finding roots on a
> segment may be found at
> It is not hard to modify this technique to work with a rectangle.
> Daniel Lichtblau
> Wolfram Research

Thanks so much, Daniel. I have implemented your solution and,
with relatively minor modification, it works perfectly for my problem.


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