Inverting a matrix is one of the most common tasks in data science and machine learning. In this article I explain why inverting a matrix is very difficult and present code that you can use as-is, or ...

The Jenkins multi-configuration project, also known as the Jenkins Matrix project, isn't often used in the design of a continuous integration system. But when the need arises to run several similar ...

I've finally hit the point where getting a program running is not enough. I have a functional Gaussian process and need to speed it up. Most of the time is used up by a conjugate gradient descent with ...

Since the government began requiring its suppliers to mark parts and assemblies with two-dimensional Data Matrix codes, the use of these codes has exploded even for products not destined for ...