Published

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

6 years ago

Published

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....

6 years ago

Published

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

6 years ago

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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...

6 years 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...

6 years 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...

6 years 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...

6 years 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...

6 years ago

Published

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

6 years 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...

6 years 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...

6 years 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...

6 years 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...

6 years ago

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

6 years ago

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

6 years 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...

6 years 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....

6 years ago

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Benchmarking a GPU
I recently acquired a GPU, a graphics processing unit. It's called a GPU because such processors were originally...

6 years ago

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Amaze, A Maze Generator
My MATLAB® program, amaze, generates mazes by combining old friends, numgrid and delsq, with a new friend, the graph object....

7 years ago

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Experiments with Variable Format Half Precision
For the past month I have been working with the variable format 16-bit floating point arithmetic that I described in this...

7 years ago

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Floating Point Arithmetic Before IEEE 754
In a comment following my post about half-precision arithmetic, "Raj C" asked how the parameters for IEEE Standard 754...

7 years ago

Published

Variable Format Half Precision Floating Point Arithmetic
A year and a half ago I wrote a post about "half precision" 16-bit floating point arithmetic, Moler on fp16. I followed this...

7 years ago

Published

VAXBARN Restores Vibrating Membrane on Ardent Titan
VAXBARN Restores Vibrating Membrane on Ardent Titan dore_frame This is a short post to point to a web site in the...

7 years ago

Published

Mandelbrot Brings Season’s Greetings
Mandelbrot Brings Season's GreetingsMandelbrot sports a new red, green and gold colormap to celebrate the holidays. ...

7 years ago

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Explore Runge’s Polynomial Interpolation Phenomenon
As the degree of an interpolating polynomial increases, does the polynomial converge to the underlying function? The short...

7 years ago

Published

Penrose and Fourier Design Playing Cards
MathWorks is creating a deck of playing cards that will be offered as gifts at our trade show booths. The design of the...

7 years ago

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Revisiting the Game of Life
I am addicted. I keep coming back to John Conway's Game of Life. Years ago, I wrote a chapter about Life in Experiments...

7 years ago

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Teaching a Newcomer About Teaching Calculus to a Deep Learner
Two months ago I wrote a blog post about Teaching Calculus to a Deep Learner. We wrote the code for that post in one...

7 years ago

Published

MathWorks Math Modeling Challenge
This week’s post is by Reece Teramoto. MathWorks recently took over sponsorship of the Math Modeling Challenge, a contest...

7 years ago

Published

USA Traveling Salesman Tour
Find the optimum traveling salesman tour through the capitals of the 48 contiguous states in the USA....

7 years ago