NOX & LOCA: Object-Oriented Nonlinear Solver and Continuation Packages

TrilinosRelease4.0Branch

Introduction

NOX is short for Nonlinear Object-Oriented Solutions, and its objective is to enable the efficient solution of the equation: $ F(x)=0 $, where $F:\Re^n \rightarrow \Re^n$. NOX is designed to work with any linear algebra package and to be easily customized. NOX is part of Sandia's Trilinos project.

LOCA, distributed as part of NOX, is short for Library of Continuation Algorithms, and its objective is to compute families of solutions to $ F(x,p)=0 $ and their bifurcations, where $F:\Re^n\times\Re^m\rightarrow\Re^n$. For LOCA specific information, see LOCA Overview.

User Information

See NOX User Information

Developer Information

See NOX Developer Information

License

NOX is available for download under the terms of the GNU Lesser General Public License.

Downloads

You may download NOX (which includes LOCA) in one of two ways.

NOX only:

Trilinos (includes NOX as well as other packages such as Epetra, Ifpack, and more):

Reporting Bugs and Making Enhancement Requests

To reports bugs or make enhancement requests, visit NOX's Bugzilla (Bug Tracking) Database, and use the following instructions.

Mailing Lists

We recommend that users and developers subscribe to the following mailing lists as appropriate.

contributors

The following people have contributed code to NOX and/or LOCA:

For All Other Questions and Comments...

Please contact Tammy Kolda (tgkolda@sandia.gov) or Roger Pawlowski (rppawlo@sandia.gov).
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