Linocuts by Henk van der Vorst.... 更多内容 >>

I was amazed by two recent YouTube videos about the double pendulum.... 更多内容 >>

My first blog about SVD and Partisanship in the U. S. Senate was five years ago. Today's post updates that to 2025.... 更多内容 >>

I admire the color scheme in the New York Times Games section and occasionally make it my colororder.... 更多内容 >>

Rob Schrieber is one of my very best friends.... 更多内容 >>

Nick Trethen is a world famous computational scientist and my good friend.... 更多内容 >>

Jack Dongarra is my student, colleague and friend.... 更多内容 >>

Pete Stewart is one of my closest colleagues.... 更多内容 >>

The tangram is an ancient Chinese puzzle with seven pieces.... 更多内容 >>

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.... 更多内容 >>