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Cleve Moler

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Last seen: 14 days ago | Active since 2012

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The world's first MATLAB programmer.

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

6 days ago

Published

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

19 days ago

Published

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

3 months ago

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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...

4 months 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...

4 months 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,...

6 months 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...

6 months 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...

6 months ago

Published

Wordle Sneak Previews
Wordle Sneak PreviewsThe Web sites that are claiming to have advance knowledge of the daily Wordle answer have become...

6 months 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...

7 months 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...

7 months ago

Published

My Chat With ChatGPT
While it is still fresh in my mind, I want to describe the conversation I had with a publicly available version of ChatGPT,...

7 months ago

Published

Grafix Users Guide
This is a quick look at Grafix, our tool for exploring matrices via 3-D computer graphics....

8 months ago

Published

Matrices In Action, Grafix 2.0
The 4-by-4 matrices in the panels on the following screenshots are at the heart of computer graphics. They describe objects...

8 months ago

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Singular Matrix Pencils and the QZ Algorithm, Update
(The January 5 posting was premature and incomplete.)...

9 months ago

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Singular Matrix Pencils and the QZ Algorithm
This year, 2023, is the 50-th anniversary of the QZ algorithm for generalized matrix eignenvalue problems,... read more...

9 months ago

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Color Cube Meets Rubik’s Cube
I have made a half dozen blog posts about Rubik's Cube so far this year. And, during the MATLAB Central Mini Hack in...

10 months ago

Published

Christian Reinsch, Roland Bulirsch, and the SVD
Christian Reinsch and Roland Bulirsch both passed away recently, Reinsch on October 8 and Bulirsch on September 21. Reinsch...

11 months ago

Published

An Interactive Version of colorcubes
A 231-character static version of colorcubes in the current MiniHack generated quite a bit of interest. So I am posting the...

11 months ago

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modfun, A Short Program Produces Impressive Graphics
This nifty graphics gem started with a contribution by Paul Villain to the MATLAB 2022 Mini Hack, currently taking place on...

12 months ago

Published

Trio, A Wooden Puzzle from the Czech Republic
"Clever Toys" is a puzzle company in the Czech Republic. Their Web site describes five different hand-made, wooden puzzles...

1 year ago

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Rubik’s Cube Superflips and God’s Number
How hard is it to solve a Rubik's Cube?When can you say that your Rubik's Cube is completely scrambled?Why might the answer...

1 year ago

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Polygons, Polyshapes and Puzzles
Until recently, I knew nothing about the polyshape object in MATLAB. Now I can use polyshape to simulate an extraordinary...

1 year ago

Published

An Interesting, and Perhaps New, Matrix
I do not recall having seen this matrix before, but I will not be surprised to learn that somebody else already knows all...

1 year ago

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The Soma Cube, Again
The Soma Cube brings back memories....

1 year ago

Published

Rotation Matrices
The matrices in the following animations are at the heart of computer graphics. They describe objects moving in...

1 year ago

Published

Qube, The Movie
...

1 year ago

Published

Digital Simulation of Rubik’s Cube with Qube
This blog post describes Qube, my Rubik's Cube simulator. Source code for Qube is now available in one single file from this...

1 year ago

Published

Digital Simulation of Rubik’s Cube
Rubik's Cube is one of the great mathematical puzzles of all time. Most people are just interested in solving Rubik's Cube...

1 year ago

Published

The Enigma Qube, Merging an Enigma Machine and a Rubik’s Cube
An Enigma Machine combined with a Rubik's Cube makes an encryption device with unprecedented power....

1 year ago

Cleve Moler

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