Just wanted to share that the KotlinConf videos were uploaded by JetBrains finally. My talk used ojAlgo for most of the examples including classroom scheduling, a Sudoku solver, and a…
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…
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.…
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…
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…
Most developers are aware of the possibility to use either a JVM from Oracle or "just" OpenJDK, but few consider using any of the other alternatives. There are more alternatives! …
The main news this time is that the finance specific code (the org.ojalgo.finance package) has been moved to its own project/module named ojAlgo-finance. Other than that the most important new…