A news story released yesterday, March 31,by c|net has the headline... 続きを読む >>

What do Mount St. Helens and the rank of a matrix have in common? The answer is the MATLAB function peaks. Let me explain. Please bear with me -- it's a long story.... 続きを読む >>

We are considering a MATLAB Enhancement Request to support options for round(x) when x is exactly halfway between two integers.... 続きを読む >>

I want to share some colorful images featuring the seven colors in the MATLAB axes color order.... 続きを読む >>

A recent episode of the popular YouTube channel "blackpenredpen" is about solutions to the famous equation... 続きを読む >>

My friend Paul Saylor passed away on November 7th.... 続きを読む >>

On October 13, the U.S. Supreme Court ruled that the U.S. Census Bureau could stop the 2020 census early. Here is a link to just one of many recent news articles about the census, New York Times.... 続きを読む >>

My post a few days ago, Gil Strang and the CR Matrix Factorization, generated a lot of email. Here is the resulting follow-up to that post.... 続きを読む >>

My friend Gil Strang is known for his lectures from MIT course 18.06, Linear Algebra, which are available on MIT OpenCourseWare. He is now describing a new approach to the subject with a series of videos, A 2020 Vision of Linear Algebra. This vision is featured in a new book, Linear Algebra for Everyone.... 続きを読む >>

I have added this section to my post a few weeks ago about using the SVD to measure partisanship in the United States Senate.... 続きを読む >>