I published Round, With Ties to Even a couple of days ago. Steve Eddins and Daniel Dolan immediately had substantive comments. Here is my reaction to their comments.... 更多内容 >>

We are considering a MATLAB Enhancement Request to support options for round(x) when x is exactly halfway between two integers.... 更多内容 >>

The rank of a linear transformation is a fundamental concept in linear algebra and matrix factorizations are fundamental concepts in numerical linear algebra. Gil Strang's 2020 Vision of Linear Algebra seeks to introduce these notions early in an introductory linear algebra course.... 更多内容 >>

A recent episode of the popular YouTube channel "blackpenredpen" is about solutions to the famous equation... 更多内容 >>

My friend Paul Saylor passed away on November 7th.... 更多内容 >>

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.... 更多内容 >>

Recently, I had email from a student in Italy.... 更多内容 >>

Tomorrow, February 29, 2020 would be Gene Golub's 22nd birthday.... 更多内容 >>

While I was working on my posts about Pejorative Manifolds, I was pleased to discover the intriguing patterns created by the roundoff error in the computed eigenvalues of triple Kronecker products.... 更多内容 >>

In an unpublished 1972 technical report "Conserving confluence curbs ill-condition," Velvel Kahan coined the descriptive term pejorative manifold. In case you don't use it in everyday conversation, pejorative means "expressing contempt or disapproval."... 更多内容 >>