fsolve

fsolve, a C code which solves systems of nonlinear equations, inspired by the fsolve() function in minpack(), with special interfaces fsolve_bdf2(), fsolve_be() and fsolve_tr() for handling systems associated with implicit ODE solvers of type bdf2, backward Euler, midpoint, or trapezoidal.

License:

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

Languages:

fsolve or fsolve_test is available in a C version and a C++ version and a Fortran77 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:

fsolve_test

minpack, a C code which solves systems of nonlinear equations, or the least squares minimization of the residual of linear or nonlinear equations, by Jorge More, Danny Sorenson, Burton Garbow, Kenneth Hillstrom.

Author:

Original FORTRAN77 version by Jorge More, Danny Sorenson, Burton Garbow, Kenneth Hillstrom. This version by John Burkardt.

Reference:

1. Jorge More, Burton Garbow, Kenneth Hillstrom,
   User Guide for MINPACK-1,
   Technical Report ANL-80-74,
   Argonne National Laboratory, 1980.
2. Jorge More, Danny Sorenson, Burton Garbow, Kenneth Hillstrom,
   The MINPACK Project,
   in Sources and Development of Mathematical Software,
   edited by Wayne Cowell,
   Prentice-Hall, 1984,
   ISBN: 0-13-823501-5,
   LC: QA76.95.S68.

Source Code:

• fsolve.c, the source code;
• fsolve.sh, compiles the source code;
• fsolve.h, the include file;