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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

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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

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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

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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

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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

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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

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play_match_the_color_game
Try to match RGB or YIQ triples of selected colors

mer än ett år ago | 1 download |

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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

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The Jordan Canonical Form Just Doesn’t Compute
Camille Jordan (1838-1922)... read more >>

mer än ett år ago

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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

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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

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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

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dragon
The Dragon Curve

mer än ett år ago | 3 downloads |

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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

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

mer än ett år ago

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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

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Happy Pi Day
Happy Pi Day, 3/14.... read more >>

mer än ett år ago

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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

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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

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Happy Valentine’s Day
Edward Scheinerman, The Mathematics Lover's Companion, Yale University Press, 2017...

mer än ett år ago

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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

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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

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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

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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

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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

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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

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Three-Term Recurrence Relations and Bessel Functions
Three-term recurrence relations are the basis for computing Bessel functions.... read more >>

nästan 2 år ago

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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

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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

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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

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