DDogleg Numerics is a high performance Java library for non-linear optimization, robust model fitting, polynomial root finding, sorting, and more.  The API is designed to be user to use, without excessive abstraction often found in other libraries.  The user is provided with the capability to have tight control over memory and CPU usage.  Source code is publicly available and has been released under and Apache 2.0 license.

                     http://ddogleg.org

------------ Directory Structure

src/        The source code
test/       Test source code
autocode/   Source code which is used to automatically generate other code
example/    Several example demonstrating how to use the library
lib/        Library dependencies
benchmark/  Internal benchmarks used to evaluate speed and stability    

------------ Building

Both Ant and Maven scripts have.  Any standard Java build environment should be able to compile the code without any problems

------------ Repository

The latest source code can be found on Github https://github.com/lessthanoptimal/ddogleg.  If using a commandline you can clone the repository by typing:

git clone git@github.com:lessthanoptimal/ddogleg.git

------------ License

Apache License, Version 2.0
http://www.apache.org/licenses/LICENSE-2.0.html

See LICENSE-2.0.txt

------------ Support

Support is provided through its message board on Google groups.  Please post your question/comment there first before contacting the author.

https://groups.google.com/forum/?fromgroups#!forum/ddogleg

------------ Author

Developed by Peter Abeles