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... 続きを読む >>

(A slight revision of the post I made a few hours ago.)... 続きを読む >>

John Horton ConwayFrom the New York Times, April 15, 2020John Horton Conway, a ‘Magical Genius’ in Math, Dies at... 続きを読む >>

Lots of tiny bubbles.... 続きを読む >>

I have completely rewritten the COVID-19 simulator that I described in last week's blog post and I now have a second version.... 続きを読む >>

ContentsSimulatorAnimationFirst frameFinal frameFull barrierNo barrierLarger populationSmaller populationSoftwareSimulator help covid19 Epidemic simulation. Inspired by Washington Post... 続きを読む >>

Today is Friday, March 13, 2020. In many parts of the world, Friday the 13th is considered unlucky. I've written blog posts about Friday the 13th before, 2012, 2018, but I will have something new to say today.... 続きを読む >>

Tomorrow, February 29, 2020 would be Gene Golub's 22nd birthday.... 続きを読む >>

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.... 続きを読む >>