ojAlgo v48.0.0
This version primarily brings changes to the ojAlgo type system. ojAlgo is all about numbers and contains a lot of generic classes and interfaces to deal with various types of…
Any post that coincides with the release of a new version
Controlling Concurrency
Controlling Concurrency ojAlgo is multithreaded – some operations are automatically divided to run in multiple threads. You don't have to do anything for this to happen. ojAlgo senses what hardware…
Generalised Eigenvalue Problems
Generalised Eigenvalue Problems ojAlgo now has built-in direct support for (some) generalised eigenvalue problems where both A and B are symmetric/hermitian and B is positive definite. Each of these problems can be reduced to a standard…
ojAlgo v47.1.1, ojAlgo-finance v2.1 & Financial Time Series Data
ojAlgo v47.1.1 Primarily this release has improvements to the optimisation code:Extensive work on tuning the solvers (primarily the ConvexSolver) Major refactoring of test cases (mainly for LinearSolver and IntegerSolver).The presolve…
Welcome to ojAlgo’s new web site
ojAlgo is getting a new web site. It's not done, but good enough to replace the old one. Contents from the old site as well as the oj! Blog has…
ojAlgo-extensions v2.47.2
https://github.com/optimatika/ojAlgo-extensions ojAlgo-commons-math3: The Apache Commons Mathematics LibraryojAlgo-cplex: IBM ILOG CPLEX OptimizationojAlgo-gurobi: GUROBI OptimizationojAlgo-joptimizer: JOptimizer OptimizationojAlgo-mosek: MOSEK OptimizationojAlgo-unsafe: sun.misc.Unsafe usage
ojAlgo-finance v2
Fixed downloading from Yahoo FinanceNew feature to download from Alpha Vantage and IEX TradingAdapted to ojAlgo v47
ojAlgo v47
The BasicMatrix interface has been removed (hidden). From now on use the various implementations directly: PrimitiveMatrix, ComplexMatrix, RationalMatrix...Complete rewrite of ResourceLocator – essentially an http client now.A collection of minor…
ojAlgo v46.3
A minor release with big changes for the future: The BasicMatrix interface has been deprecated!!! The various implementations will remain – all of them – but you should use those…
Introducing Artificial Neural Networks with ojAlgo
With v46 ojAlgo got support for building artificial neural networks. Here's an example of what you can do with it. The MNIST database is a large image database of handwritten digits…