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

Philip,

One of the software gurus responded thusly

when posed with your question:

>There is napack/czero.f, which uses Jenkens-Traub algorithm to compute

>zeros

>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!