zero

zero, a C++ code which finds a zero of a scalar function of a scalar variable, by Richard Brent.

The method does not require the use of derivatives, and does not assume that the function is differentiable.

Licensing:

The computer code and data files described and made available on this web page are distributed under the MIT license

Languages:

zero is available in a C version and a C++ version and a FORTRAN90 version and a MATLAB version and an Octave version and a Python version and an R version.

Related Data and Programs:

zero_test

BISECTION_RC, a C++ code which seeks a solution to the equation F(X)=0 using bisection within a user-supplied change of sign interval [A,B]. The procedure is written using reverse communication (RC).

TEST_ZERO, a C++ code which defines some test functions for which zeroes can be sought.

ZERO_RC, a C++ code which seeks solutions of a scalar nonlinear equation f(x) = 0 using reverse communication (RC).

Author:

Original FORTRAN77 version by Richard Brent; C++ version by John Burkardt.

Reference:

1. Richard Brent,
   Algorithms for Minimization without Derivatives,
   Dover, 2002,
   ISBN: 0-486-41998-3,
   LC: QA402.5.B74.

Source Code:

• zero.cpp, the source code.
• zero.hpp, the include file.
• zero.sh, compiles the source code.