CodeLib - Nonlinear systems of equations and least squares problems

• NLEQ1 - FORTRAN Version (further information, view source code, list directory, tar-file )
  Newton-method, full or bandmode Jacobian, without rank-strategy.

• NLEQ1 - MATLAB Version (further information, view code, list directory, tar-file )
  Newton-method, full or bandmode or sparse Jacobian, without rank-strategy

• NLEQ1S (further information, view source code, list directory, tar-file )
  Newton-method, sparse Jacobian, without rank-strategy, with linear solver Y12M (included within the download), also with interfaces to the linear solvers UMFPACK and MA38 (not included within the download)
  

• NLEQ2 (further information, view source code, list directory, tar-file )
  Newton-method, full Jacobian, with rank-strategy.

• Newton testset ( list directory, tar-file )
  A collection of test-problems for the codes NLEQ1, NLEQ2, NLEQ_ERR and NLEQ_RES.

• NLSCON ( view Fortran source code, view MatLab code, list Fortran directory, list Matlab directory, tar-file (Fortran code), tar-file (Matlab code) )
  Gauss-Newton-method for nonlinear fitting, optionally with nonlinear equality constraints (mnemotechnical for: Nonlinear Least Squares with nonlinear equality Constraints).

• GIANT (further information, view source code, list directory, tar-file )
  Inexact Newton-method for very large systems, iterative solution of the linear systems of equations (mnemotechnical for: Global Inexact Affinvariant Newton Techniques).

• ALCON1 ( view source code, list directory, tar-file )
  Pathfollowing method for parameter-dependent nonlinear systems of equations, without using the analytical Jacobian of the system, and without computation of bifurcations.

• ALCON2 ( view source code, list directory, tar-file )
  Pathfollowing method for parameter-dependent nonlinear systems of equations, using the analytical Jacobian of the system, and with computation of simple bifurcations.

• ALCON-S ( further information, list directory, tar-file )
  Pathfollowing method for sparse parameter-dependent nonlinear systems of equations. Includes several application examples.

CodeLib               Large linear Systems     Nonlinear Systems
IVP's of ODE's     BVP's of ODE's              Partial DE's
Symbolic-Numeric                                      Miscellaneous