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Lights, Camera, Action — and Sound 4

I am very excited to incorporate sound in animations. This blog post has five examples with links to videos enclosed in '+ + + +'.... 更多内容 >>

Redheffer and Mertens, Accelerated 4

Shortly after I published the second post about the Mertens conjecture, a reader's comment suggested a new approach to computing Redheffer determinants and the Mertens function. It is now possible to compute a half-million values of the Mertens function in about five hours.... 更多内容 >>

Special Notice 2

Special Notice If you have been following my posts about Wordle, be sure to see the puzzle in today's New York Times, Tuesday, April 4.Get the MATLAB code (requires JavaScript) ... 更多内容 >>

Singular Matrix Pencils and the QZ Algorithm 1

This year, 2023, is the 50-th anniversary of the QZ algorithm for generalized matrix eignenvalue problems,... 更多内容 >>

The Complement of the Menger Sponge 1

The complement of an evolving Menger sponge is all of the material that has been removed so far.... 更多内容 >>

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.... 更多内容 >>

The OEIS and the Recamán Sequence 7

Here are the first 12 integers from an infinite sequence defined by a deceptively simple rule. Can you see the pattern? Try to predict the next number in the sequence.... 更多内容 >>

C^5, Cleve’s Corner Collection Card Catalog 2

I have been writing books, programs, newsletter columns and blogs since 1990. I have now collected all of this material into one repository. Cleve's Corner Collection consists of 458 "documents", all available on the internet. There are... 更多内容 >>

Householder Seminar HHXX on Numerical Linear Algebra 2

The Householder meetings on Numerical Linear Algebra have been held roughly every three years since 1961. The twentieth, with the logo HHXX, was held June 18th through 23rd at Virginia Tech in Blacksburg, Virginia. I've been to 17 of the meetings. They have been an important part of my professional life and I've written Cleve's Corner articles and blog posts about them, MathWorks News & Notes, and Householder XIX.... 更多内容 >>

Cleve’s Corner, Blogs Edition 2

This is the debut of the MATLAB Central Blogs edition of Cleve's Corner. For years, I have been writing a column named Cleve's Corner in MathWorks News and Notes. The News and Notes Edition is in an electronic magazine format that is published once or twice a year and that has very specific length and word count constraints. The Blogs Edition can be any length, and I hope to have enough time and interesting material to post a couple of times per month. In fact, I may revive some old newsletter Corners, bring them up to date, and post them here.... 更多内容 >>