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jama

Jama is a basic linear algebra package for Java originally developed by MathWorks and NIST and released to the public domain.

This is the original copyright statement:

This software is a cooperative product of The MathWorks and the National Institute of Standards and Technology (NIST) which has been released to the public domain. Neither The MathWorks nor NIST assumes any responsibility whatsoever for its use by other parties, and makes no guarantees, expressed or implied, about its quality, reliability, or any other characteristic.

Why this version?

The original Jama artifact available through Maven (gov.nist.math:jama:1.0.3) has a few deficiencies:

  • The package name is Jama, which does not follow Java naming conventions because it is not lowercase.
  • It contains both example and testing code which does not belong into a production release.
  • Some I/O code in the Matrix class does not work well with transpilation frameworks such as GWT and JSweet.

Download

We provide access to our version of Jama via our own Maven repository:

https://mvn.topobyte.de

The package is available at these coordinates:

de.topobyte:jama:1.1.0

You can also browse the repository online:

https://mvn.topobyte.de/de/topobyte/jama/

Changelog

For older changes, see the original changelog.

  • Split source code to main and test (includes example)
  • Formatted source code using Eclipse formatter
  • Preserved some well formatted comments using @formatter:on/off annotations
  • Added missing curly braces and @Override annotations
  • Removed unnecessary casts
  • Move I/O methods (print() variants and read()) from Matrix to new class MatrixIO.
  • Rename package from Jama to jama