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…
http://demo.ojalgo.org/ojAlgo, ojAlgo-finance and ojAlgo-extensions Tools for Market Simulation, Portfolio Selection and Risk Management "The Demo" is a financial market simulation tool aimed at private banking and wealth management professionals. It facilitates…
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…
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
Fixed downloading from Yahoo FinanceNew feature to download from Alpha Vantage and IEX TradingAdapted to 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…
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…
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…
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…
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…