Published

Graph Object of 48 USA States

Create a MATLAB® graph object from information about neighbors among the 48 contiguous states in the USA.... read more >>

ungefär ett år ago

Published

Reviving Wilson’s Matrix

I probably first saw this matrix in 1960 in John Todd's class at Caltech. But I forgot about it until Tahar Loulou jogged my...

ungefär ett år ago

Published

Teaching Calculus to a Deep Learner

MIT's Professor Gil Strang gave two talks in one morning recently at the SIAM annual meeting. Both talks derived from his...

ungefär ett år ago

Published

Antarctic Ships, Fractal and Real

David Wilson, from the Auckland University of Technology in New Zealand, has alerted me to this remarkable coincidence. ...

ungefär ett år ago

Published

The OEIS and the Recamán Sequence

Here are the first 12 integers from an infinite sequence defined by a deceptively simple rule. Can you see the pattern? Try...

mer än ett år ago

Published

Greg Searle, Fractal Art and Design

If you follow this blog regularly, you know that I love fractals. I recently spent a pleasant afternoon in Nashua, New...

mer än ett år ago

Submitted

play_match_the_color_game

Try to match RGB or YIQ triples of selected colors

mer än ett år ago | 1 download |

Published

Play “Match the Color” Game

I first saw this game years ago in the Exploratorium, a science museum in San Francisco. You are given a computer screen...

mer än ett år ago

Published

The Jordan Canonical Form Just Doesn’t Compute

Camille Jordan (1838-1922)... read more >>

mer än ett år ago

Published

The MATLAB Technical Computing Environment

The ACM Special Interest Group on Programming Languages, SIGPLAN, expects to hold the fourth in a series of conferences on...

mer än ett år ago

Published

MATLAB History, Modern MATLAB, part 2

The ACM Special Interest Group on Programming Languages, SIGPLAN, expects to hold the fourth in a series of conferences on...

mer än ett år ago

Published

Friday the 13th and the Datetime Method

Today is Friday, the 13th. In many parts of the world, today is regarded as unlucky. But I want to revisit an old question:...

mer än ett år ago

Published

The Dragon Curve

Let me tell you about a beautiful, fractal curve, the Dragon Curve. Download my new dragon program from the File Exchange...

mer än ett år ago

Published

Easter, Revisited

Today is Easter Sunday. Why? How is the date of Easter determined?... read more >>

mer än ett år ago

Published

MATLAB® History, Modern MATLAB, part 1

The ACM Special Interest Group on Programming Languages, SIGPLAN, expects to hold the fourth in a series of conferences on...

mer än ett år ago

Published

MATLAB History, PC-MATLAB Version 1.0

The ACM Special Interest Group on Programming Languages, SIGPLAN, expects to hold the fourth in a series of conferences on...

mer än ett år ago

Published

Fun With The Pascal Triangle

The Wikipedia article on Pascal's Triangle has hundreds of properties of the triangle and there are dozens of other Web...

mer än ett år ago

Published

Happy Valentine’s Day

Edward Scheinerman, The Mathematics Lover's Companion, Yale University Press, 2017...

mer än ett år ago

Published

The Historic MATLAB Users’ Guide

In the 1970s and early 1980s, while I was working on the LINPACK and EISPACK projects that I discussed in two previous...

mer än ett år ago

Published

LINPACK, Linear Equation Package

The ACM Special Interest Group on Programming Languages, SIGPLAN, expects to hold the fourth in a series of conferences on...

mer än ett år ago

Published

EISPACK, Matrix Eigensystem Routines

The ACM Special Interest Group on Programming Languages, SIGPLAN, expects to hold the fourth in a series of conferences on...

nästan 2 år ago

Published

Bug in Half-Precision Floating Point Object

My post on May 8 was about "half-precision" and "quarter-precision" arithmetic. I also added code for objects fp16 and fp8...

nästan 2 år ago

Published

Wilkinson and Reinsch Handbook on Linear Algebra

The ACM Special Interest Group on Programming Languages, SIGPLAN, expects to hold the fourth in a series of conferences on...

nästan 2 år ago

Published

Leslie Fox

Leslie Fox (1918-1992) is a British numerical analyst who was a contemporary of three men who played such an important role...

nästan 2 år ago

Published

Three-Term Recurrence Relations and Bessel Functions

Three-term recurrence relations are the basis for computing Bessel functions.... read more >>

nästan 2 år ago

Published

Two Other MATLABs, in Bangladesh and in Hindi

This post is about the words "Matlab" and "matlab", in upper and lower case, and without a trademark symbol. Matlab with...

nästan 2 år ago

Published

My First Computer, the Burroughs 205 Datatron

The first computer that I seriously used was the Burroughs 205 Datatron. I actually used two different machines, one at...

ungefär 2 år ago

Published

How Far Apart Are Two Random Points in a Hypercube?

Two days ago I wrote about random points in a square. At the last minute I added the paragraph asking about the...

ungefär 2 år ago