TESTZERO - Zero Finder Tests

TESTZERO is a collection of nonlinear functions that may be used to test zero finders, that is, programs that seek a root of a scalar equation F(X)=0.

Reference 1:

George Donovan, Arnold Miller, Timothy Moreland,
Pathological Functions for Newton's Method,
American Mathematical Monthly, January 1993, pages 53-58.

Files you may copy include:

• testzero.m, an implementation of a few of the test functions as a MATLAB function.

A FORTRAN implementation of various zero finders, and the test functions, is available in FORTRAN TESTZERO.

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