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

mehr als ein Jahr ago

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Champagne Portraits of Complex Functions
Lots of tiny bubbles.... read more >>

mehr als ein Jahr ago

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Web Fake News Simulator
... read more >>

mehr als ein Jahr ago

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COVID19 Simulator.
Simulate spread of COVID19

mehr als ein Jahr ago | 5 downloads |

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Second Version of a COVID-19 Simulator
I have completely rewritten the COVID-19 simulator that I described in last week's blog post and I now have a second...

mehr als ein Jahr ago

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COVID-19 Simulator
ContentsSimulatorAnimationFirst frameFinal frameFull barrierNo barrierLarger populationSmaller...

mehr als ein Jahr ago

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It is Friday the 13th Again
Today is Friday, March 13, 2020. In many parts of the world, Friday the 13th is considered unlucky. I've written blog...

mehr als ein Jahr ago

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

mehr als ein Jahr ago

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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...

mehr als ein Jahr ago

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Pejorative Manifolds of Polynomials and Matrices, part 2
In an unpublished 1972 technical report "Conserving confluence curbs ill-condition," Velvel Kahan coined the descriptive...

mehr als ein Jahr ago

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Pejorative Manifolds of Polynomials and Matrices, part 1
In an unpublished 1972 technical report "Conserving confluence curbs ill-condition," Velvel Kahan coined the descriptive...

mehr als ein Jahr ago

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MathWorks Blue Meets Air Force Academy Blue
I have always been fascinated by the names that are used to describe colors. There are dozens of web sites with lists of...

mehr als ein Jahr ago

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Christmas Greetings 2019
Inspired by Patsy and https://www.amazon.com/gp/product/B075JDVR53. type xmas_2019.m function xmas_2019 %...

fast 2 Jahre ago

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A Matrix for the New HPL-AI Benchmark
My colleagues are looking for a matrix to be used in a new benchmark. They've come to the right place.... read more >>

fast 2 Jahre ago

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Color Order for Line Plots
Line plots with a color order from one of our color maps are useful, and pretty.... read more >>

fast 2 Jahre ago

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Submitted


Kuramoto's model of synchronizing oscillators
The Kuramoto model is a nonlinear dynamic system of coupled oscillators that initially have random natural frequencies and phase...

fast 2 Jahre ago | 14 downloads |

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Stability of Kuramoto Oscillators
I am working with Indika Rajapakse and Steve Smale to investigate the stability of the dynamic system describing Kuramoto...

fast 2 Jahre ago

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Prime Spiral #2
Today's post was inspired by a YouTube video, Why do prime numbers make these spirals?, on the channel 3Blue1Brown, created...

fast 2 Jahre ago

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Experiments With Kuramoto Oscillators
I have learned a lot more about Kuramoto oscillators since I wrote my blog post three weeks ago. I am working with Indika...

etwa 2 Jahre ago

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Kuramoto Model of Synchronized Oscillators
Fireflies on a summer evening, pacemaker cells, neurons in the brain, a flock of starlings in flight, pendulum clocks...

etwa 2 Jahre ago

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The QR Algorithm Computes Eigenvalues and Singular Values
The QR algorithm is one of the world's most successful algorithms. We can use animated gifs to illustrate three variants...

etwa 2 Jahre ago

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Hadamard Matrices
I have just returned from the ICIAM2019 conference in Valencia, Spain. It was a huge conference -- 4,000+ attendees, dozens...

etwa 2 Jahre ago

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The World’s Simplest Impossible Problem
(This is a reprint of the second ever Cleve's Corner from the Winter 1990 MathWorks Newsletter).The other day at lunch...

etwa 2 Jahre ago

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Bohemian Matrices in the MATLAB® Gallery
We will have a two-part minisymposium on "Bohemian Matrices" at ICIAM2019, the International Congress on Industrial and...

mehr als 2 Jahre ago

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Matrix Eigenvalue Dating Service
This is a summary of my talk at the conference Celebrating the Centenary of James H. Wilkinson's Birth at the University of...

mehr als 2 Jahre ago

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An Eigenvalue Sensitivity Example
On May 29-30, I plan to attend a conference, organized by Nick Higham, at the University of Manchester. The title of the...

mehr als 2 Jahre ago

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Continued Fractions and Function “rat”
Let me tell you about MATLAB's controversial function rat.... read more >>

mehr als 2 Jahre ago

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Makima Piecewise Cubic Interpolation
This post is by my colleague Cosmin Ionita.... read more >>

mehr als 2 Jahre ago

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The Reuleaux Triangle and Curves of Constant Width
Why are manhole covers round? It is so they won't fall through the hole they are intended to cover. They have the same...

mehr als 2 Jahre ago

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Biorhythms and Energy Vortices Near Sedona, Arizona
Sedona Arizona is a perfect site for the first MathWorks excursion into lifestyle products.... read more >>

mehr als 2 Jahre ago

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