Fans still have a month to wait for ”The Matrix Reloaded” (May 15), but they can get a tantalizing glimpse of what’s to come in the new 2 1/2 minute trailer that’s hit theaters, TV, and the Internet.

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 ...

Hollywood science fiction stories such as "The Matrix" and "Inception" have suggested how virtual worlds or dreams could manipulate human learning or create new memories. Now, a new experiment has ...