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 previous post introduced ojAlgo's Artificial Neural Network feature. It did so by presenting a fully functional program that trained and evaluated a network model to categorise handwritten digits using the MNIST data set.…

Continue ReadingNeural Network Basics

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

I'm in the process of executing the Java Matrix Benchmark on a Google Cloud Platform Compute Engine (n1-highmem-4 (4 vCPUs, 26 GB memory) with Intel Skylake processors). Actually I'm doing 3 separate benchmark executions using…

Continue ReadingNew Java Matrix Benchmark Results Coming