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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,...
12 days ago
Published
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...
28 days ago
Published
Redheffer and Mertens, Accelerated
Shortly after I published the second post about the Mertens conjecture, a reader's comment suggested a new approach to...
1 month ago
Published
Redheffer and Mertens, Continued
Shortly after I posted Redheffer, Mertens and One-Million Dollars a few days ago, Mathworks' Pat Quillen made an important...
1 month 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...
1 month ago
Published
NA_Digest and NA_Net
The NA-Digest is an electronic newsletter for the numerical analysis and scientific software community. The NA-Digest is...
2 months 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...
4 months 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....
4 months 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...
5 months 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....
6 months 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...
6 months 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...
7 months 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...
8 months ago
Published
Chaotic Swinging Sticks
The Swinging Sticks is a kinetic sculpture that exhibits chaotic motion. The device became very popular after it upstaged...
9 months 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...
9 months ago
Published
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...
10 months ago
Published
Season’s Greetings
Season's Greeings Get the MATLAB code (requires JavaScript) Published with MATLAB®...
11 months ago
Published
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...
11 months 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...
12 months ago
Published
Exploring Matrices Exercises
Try you hand at a few exercises involving Exploring Matrices....
1 year ago
Published
Exploring Matrices
I have spent much of my career working to bring abstract linear algebra and practical matrix computation closer together. ...
1 year ago
Published
MiniGallery, Sampler of MATLAB Test Matrices
MATLAB has dozens of test matrices. Here are a few....
1 year 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...
1 year 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...
1 year ago
Published
Special Notice
Special Notice If you have been following my posts about Wordle, be sure to see the puzzle in today's New York Times,...
1 year ago
Published
My Chat with Ernie, a Chinese Chat Bot
I recently had an opportunity to chat with Ernie, the Large Language Model currently under development at the Chinese...
1 year ago
Published
Three Wordle Assistants
When I tackle a Wordle puzzle, I like to make all the key decisions myself. My three assistants set up puzzles and suggest...
1 year ago
Published
Wordle Sneak Previews
Wordle Sneak PreviewsThe Web sites that are claiming to have advance knowledge of the daily Wordle answer have become...
1 year ago
Published
WordBot and Words, My Wordle Assistants
I am late joining the Wordle craze. Over a year ago, MATLAB programs for solving Wordle puzzles were described by Adam...
1 year ago
Published
R2-D2, Rotations and Dilations in Two Dimensions
R2_D2 is is the name I've given a new MATLAB program that provides animations of 2-by-2 rotation and dilation matrices. I...
1 year ago