Recently, I had email from a student in Italy.... 더 읽어보기 >>

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

Many observers have noted that the United States Senate has become increasingly partisan in recent years. Votes are being made more frequently along strict political party lines. The singular value decomposition, the SVD, of matrices derived from records of roll call votes in the senate can measure this partisanship.... 더 읽어보기 >>

I've blogged about this gem from Lothar Collatz (1910-1990) before, but it deserves to be repeated. Especially since it now provides an elegant example of singleton expansion.... 더 읽어보기 >>

Alexa tells me that the definition of serendipity is "the occurrence and development of events by chance in a happy or beneficial way."... 더 읽어보기 >>

A Mesmerizing AnimationWe are working on a paper about the Kuramoto model of self-synchronizing oscillators. This animation shows the different initial conditions where six oscillators fail to... 더 읽어보기 >>

"A History of MATLAB", a 67-page paper that Jack Little and I have written, has been published by the ACM, the Association for Computing Machinery, in the Proceedings of the ACM on Programming Languages, volume 4, June 2020.... 더 읽어보기 >>

It has been a while since I made a blog post. It is because I am preparing to give a talk next week on"The Evolution of the Evolution of MATLAB"on E-NLA, the Online seminar series on Numerical... 더 읽어보기 >>

(A slight revision of the post I made a few hours ago.)... 더 읽어보기 >>

John Horton ConwayFrom the New York Times, April 15, 2020John Horton Conway, a ‘Magical Genius’ in Math, Dies at... 더 읽어보기 >>