My first blog about SVD and Partisanship in the U. S. Senate was five years ago. Today's post updates that to 2025.... 続きを読む >>

I admire the color scheme in the New York Times Games section and occasionally make it my colororder.... 続きを読む >>

Rob Schrieber is one of my very best friends.... 続きを読む >>

Nick Trethen is a world famous computational scientist and my good friend.... 続きを読む >>

Jack Dongarra is my student, colleague and friend.... 続きを読む >>

Pete Stewart is one of my closest colleagues.... 続きを読む >>

The tangram is an ancient Chinese puzzle with seven pieces.... 続きを読む >>

I was invited recently to give a virtual talk to the student chapter of SIAM at JUIT, the Jaycee Institute of Information Technology, in Wagnaghat, India.... 続きを読む >>

Like millions of other folks, I play Wordle from the New York Times almost every day. The Times reports that Wordle puzzle number 1497 on Friday, July 25, was especially difficult. The average puzzler required 5.7 attempts and many failed to get the answer in the six moves allowed. I have a MATLAB assistant that I call Wordler and, even with her help, I failed on number 1497. Here's why.... 続きを読む >>

In 1988, while I was with Ardent Computer in Silicon Valley, I gave a talk that previewed MATLAB graphics. The title was "Pictures of Matrices". At the time, a mathematician friend of mine asked.... 続きを読む >>