Any post that coincides with the release of a new version

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…

Continue ReadingGeneralised Eigenvalue Problems

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

Continue ReadingojAlgo-extensions v2.47.2

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…

Continue ReadingojAlgo v47

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…

Continue ReadingojAlgo v46.3

A couple of bugs fixed: The getEigenpair(int) method of the Eigenvalue interface threw an ArrayIndexOutOfBoundsExceptionA couple of issues related to calculating the nullspace (using QR or SVD) decompositions.Everything "Big" is…

Continue ReadingojAlgo v45.1.1

No new features. This is just to make it compatible with the latest version of ojAlgo. It appears downloading historical data from Google and Yahoo broke (again). The code related…

Continue ReadingojAlgo-finance v1.1