Posts 21 - 30 of 94

Results for: Numerical Analysis

Paul Saylor, 1939-2020 1

My friend Paul Saylor passed away on November 7th.... read more >>

Anticipating Official U.S. Census for 2020 2

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.... read more >>

Two Dubious Ways to Solve A*X = X*B, part 1 2

Recently, I had email from a student in Italy.... read more >>

Gene Golub’s 22nd Birthday 1

Tomorrow, February 29, 2020 would be Gene Golub's 22nd birthday.... read more >>

Roundoff Patterns from Triple Kronecker Products

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.... read more >>

Pejorative Manifolds of Polynomials and Matrices, part 2

In an unpublished 1972 technical report "Conserving confluence curbs ill-condition," Velvel Kahan coined the descriptive term pejorative manifold.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."... read more >>

Pejorative Manifolds of Polynomials and Matrices, part 1 2

In an unpublished 1972 technical report "Conserving confluence curbs ill-condition," Velvel Kahan coined the descriptive term pejorative manifold.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."... read more >>

A Matrix for the New HPL-AI Benchmark 2

My colleagues are looking for a matrix to be used in a new benchmark. They've come to the right place.... read more >>

Bohemian Matrices in the MATLAB® Gallery 2

We will have a two-part minisymposium on "Bohemian Matrices" at ICIAM2019, the International Congress on Industrial and Applied Mathematics in Valencia, Spain, July 15-19. This is an outline of my talk.... read more >>

Matrix Eigenvalue Dating Service 1

This is a summary of my talk at the conference Celebrating the Centenary of James H. Wilkinson's Birth at the University of Manchester, May 29.... read more >>

Posts 21 - 30 of 94