Cleve Moler

MathWorks

Last seen: Today | Active since 2012

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The world's first MATLAB programmer.

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Matrices at an Exposition
A look at the structure, and the eigenvalues and singular values of interesting test matrices....

10 dagar ago

Published

Two Flavors of SVD
MATLAB has two different ways to compute singular values. The easiest is to compute the singular values without the...

22 dagar ago

Published

LUTool, Animation of Gaussian Elimination
LUTool provides an interactive animation of Gaussian elimination, the most important algorithm in technical...

ungefär en månad ago

Published

Code for Sonic and Ten Sonic Movies
Two previous blog posts, Dec. 12, 2024 and Nov. 16, 2024, introduced "Sonic", my new tool for incorporating sound in...

3 månader ago

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Sonic Adds Sound to Logo, Recamán, Chaos
I introduced Sonic in my blog post last month. Today I will use Sonic to add sound to the graphics from three old posts,...

3 månader ago

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Lights, Camera, Action — and Sound
I am very excited to incorporate sound in animations. This blog post has five examples with links to videos enclosed in '+...

4 månader ago

Published

Möbius, Mertens and Redheffer
Recently, I have made a series of blog posts about Redheffer matrices and the Mertens conjecture. After each of the posts,...

5 månader ago

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Experience With Chatbots Generating MATLAB
A friend is investigating the use of generative AI in his classes. I asked two different popular chatbots to write MATLAB...

5 månader ago

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Redheffer and Mertens, Accelerated
Shortly after I published the second post about the Mertens conjecture, a reader's comment suggested a new approach to...

6 månader ago

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Redheffer and Mertens, Continued
Shortly after I posted Redheffer, Mertens and One-Million Dollars a few days ago, Mathworks' Pat Quillen made an important...

6 månader ago

Published

Redheffer, Mertens and One-Million Dollars
I didn't know anything about these topics until a couple of weeks ago. Now I can't stop thinking about them.... read more...

6 månader ago

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NA_Digest and NA_Net
The NA-Digest is an electronic newsletter for the numerical analysis and scientific software community. The NA-Digest is...

7 månader ago

Published

A Treacherous SVD
A few days ago, a bug report from our office in Cambridge caught my attention. Computing the singular values and singular...

8 månader ago

Published

SuperSum, In Defense of Floating Point Arithmetic
Floating point arithmetic doesn't get the respect it deserves. Many people consider it mysterious, fuzzy, unpredictable....

9 månader ago

Published

IBM Hexadecimal Floating Point
Our technical support group recently received a request for a tool that would convert IBM System/360 hexadecimal floating...

10 månader ago

Published

A Sixty-Year Old Program for Predicting the Future
The graphics in my post about R^2 were produced by an updated version of a sixty-year old program involving the U.S....

10 månader ago

Published

R-squared. Is Bigger Better?
The coefficient of determination, R-squared or R^2, is a popular statistic that describes how well a regression model fits...

11 månader ago

Published

Closest Pair of Points Problem
The Closest Pair of Points problem is a standard topic in an algorithms course today, but when I taught such a course fifty...

12 månader ago

Published

Twenty Years of Parallel MATLAB
I have just returned from the MathWorks company meeting celebrating our 40th Anniversary. In one of the presentations, Jos...

ungefär ett år ago

Published

Chaotic Swinging Sticks
The Swinging Sticks is a kinetic sculpture that exhibits chaotic motion. The device became very popular after it upstaged...

ungefär ett år ago

Published

Nick Higham (1961-2024)
Nick Higham passed away last Saturday. Nick was a close friend of mine and a great friend of MATLAB. I will leave it to...

ungefär ett år ago

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Exponential Fitting, Separable Least Squares, and Quahogs
We have been investigating a recent bug report about fitnlm, the Statistics and Machine Learning Toolbox function for robust...

ungefär ett år ago

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Season’s Greetings
Season's Greeings Get the MATLAB code (requires JavaScript) Published with MATLAB®...

ungefär ett år ago

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Blog Post Number 300, Vibrating Logo
This is post number 300 of Cleve's Corner blog. The first post was on June 6, 2012, which is 600 weeks ago. So, I have...

mer än ett år ago

Published

Bouncing Bucky Ball at Flipbook Mini Hack
The 2023 MATLAB Central Flipbook Mini Hack contest runs from November 6 until December 3. Over 200 entries have been...

mer än ett år ago

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Exploring Matrices Exercises
Try you hand at a few exercises involving Exploring Matrices....

mer än ett år ago

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Exploring Matrices
I have spent much of my career working to bring abstract linear algebra and practical matrix computation closer together. ...

mer än ett år ago

Published

MiniGallery, Sampler of MATLAB Test Matrices
MATLAB has dozens of test matrices. Here are a few....

mer än ett år ago

Published

ARLS, Automatically Regularized Least Squares
(I have a guest blogger today. Ron Jones worked with me in 1985 for his Ph. D. from the University of New Mexico. He...

mer än ett år ago

Published

Happy Birthday, John Gilbert
I have just returned from a one-day workshop at U. C. Santa Barbara honoring John Gilbert on his 70th birthday and his...

nästan 2 år ago