Re: complex root zero

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Posted by Scott Betts on July 24, 1997 at 09:17:07:

In Reply to: complex root zero posted by Philip Mason on July 23, 1997 at 08:55:32:

: Do you know of any available FORTRAN program able to find
: complex zeros of a non-linear complex finction. I know of
: Muller's algorithm but I can't find any corresponding program.

: Thanks

: P.Mason

One of the software gurus responded thusly
when posed with your question:

>There is napack/czero.f, which uses Jenkens-Traub algorithm to compute
>of a monic polynomial with complex coefficients.
>Also, if you search Netlib for "Muller", you get the following:
>file tomspdf/196.pdf
>by R. D. Rodman
>for Muller's Method for Finding Roots of an Arbitrary Function
>keywords function zeros; Muller's method
>but I don't do PDF so I don't know if this is actual code or if it is
>for complex coefficients.

Hope this helps!

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