Abstract: Linear systems involved in engineering and scientific calculations can be more easily analyzed using similarity transformation. However, understanding the numerous abstract linear algebra ...

The US trade deficit dropped to $59.6 billion in August, down nearly 24% from July due to falling imports. Gold and tech imports plunged after Trump imposed steep tariffs, especially on Switzerland.

Here we make explicit the connection between subscript notation in mathematics and indices in Python. In mathematics: Say we have a collection of objects X. We can refer to individual elements of the ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

A few weeks ago, my ears perked up when a gaggle of middle school volleyball players in my car were talking about the teachers they don’t like; I have an unfortunate appetite for tweenage gossip, and ...

Linux provides quite a few commands that let you do math on the command line. Which is best depends on the kind of math that you’re doing and the precision that you’re expecting. This post covers five ...

‘Trump chickened out’: Chinese social media mocks Trump on trade ...

Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. President Donald Trump walks to the Oval Office ...

Critics are questioning if Donald Trump’s administration possibly used chatbots to calculate reciprocal tariffs announced yesterday that Trump claimed were “individualized” tariffs placed on countries ...