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What is ojAlgo?As the title suggests it's Open Source Java code that has to do with mathematics, linear algebra and optimisation. ojAlgo really is 100% pure Java source code. There are no calls to native (C or Fortran) libraries. Nothing besides a Java SDK is needed to compile or execute the code. Names of attributes and methods are chosen to comply with Java standards rather than legacy mathematics code (Fortran, C, Matlab...) conventions. Main ingredientsPresumeably there are two main reasons why users/developers become interested in ojAlgo:
Design concepts
HistoryInitially ojAlgo (what became ojAlgo) was a QP solver, and it was first implemented using the public domain JAMA package. After some time, and some problems with rounding and representation errors, the idea to use BigDecimal instead of double for matrix elements came up. (At the time Optimatika was working on an application that needed to solve a large number of small QP problems to high precision.) The new work was structured as a defining interface and an implementing class. The QP solver was refactored to work with the new interface, and then things just grew in all directions. An alternative may of describing the ojAlgo ingredients is to focus on the QP solver. Then it could be said that ojAlgo contains:
License agreementojAlgo is an Open Source project. It is available as source code, and every single source code file contain a copyright statement and a license agreement. All files have the same copyright and license. Optimatika holds the copyright, and the license used is the generous and easy to understand MIT license. Please read and comply with the license agreement - it's not hard. More... |
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