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Cleve Moler

MathWorks

Last seen: Today Attivo dal 2012

The world's first MATLAB programmer.

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Pubblicato


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...

2 mesi fa

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Pubblicato


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...

3 mesi fa

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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...

4 mesi fa

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Pubblicato


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...

5 mesi fa

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Pubblicato


The Soma Cube, Again
The Soma Cube brings back memories.... read more >>

6 mesi fa

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

7 mesi fa

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Pubblicato


Qube, The Movie
... read more >>

7 mesi fa

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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...

8 mesi fa

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Pubblicato


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...

8 mesi fa

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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.... read more >>

8 mesi fa

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Pubblicato


What is A\A?
The answer: A\A is always I, except when it isn't.... read more >>

10 mesi fa

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Pubblicato


Rubik’s Cube
My recent obsession with cubes in this blog has led me back to Rubik's cube, perhaps the greatest mathematical puzzle of all...

10 mesi fa

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Pubblicato


The Menger Sponge, Complement and Associate
A few months ago, I had never heard of Karl Menger or the cube-like fractal that he invented. Now I have this long blog...

11 mesi fa

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Anatomy of a Cube
A cube is the familiar three-dimensional solid with eight vertices, six faces and twelve edges. I have been working with...

11 mesi fa

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Pubblicato


The Complement of the Menger Sponge
The complement of an evolving Menger sponge is all of the material that has been removed so far.... read more >>

12 mesi fa

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Pubblicato


Season’s Greetings 2021
Season's Greetings 2021 __________________________________________________________Marc Lätzel (2021). XMas Tree...

12 mesi fa

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A New View of Our Logo
On a recent visit to Ann Arbor, I met ten-year old Eden Rajapakse. Here is her sketch of the L-shaped membrane. ...

12 mesi fa

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Pubblicato


The Menger Sponge Fractal
The Menger sponge is a popular fractal that generalizes Cantor sets and Sierpinski triangles. Its fractal dimension is...

circa un anno fa

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Investigate the Mathematics of Computer Graphics
Matrices in action.... read more >>

circa un anno fa

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Roll, Yaw, Pitch, Taxi and More
See Cube and Teapot.... read more >>

circa un anno fa

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The Computer Graphics Matrix and a Cube
Use a cube instead of the Utah Teapot in my previous post. I was pleasantly suprised by the final screen shot.... read more...

circa un anno fa

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The Matrix at the Heart of Computer Graphics
Matrices like the ones shown in the following screen shots are at the heart of computer graphics. They describe objects...

circa un anno fa

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Risolto


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

circa un anno fa

Pubblicato


Quaternions
Quaternions are generalizations of the complex numbers that have found applications in computer graphics and many other...

oltre un anno fa

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Round, With Tie Breakers, A Prototype
In February and March I published three blog posts about an enhancement request for MATLAB concerning tie breakers with the...

oltre un anno fa

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Pubblicato


Computers That I Have Known
Nick Higham's Numerical Linear Algebra group at the University of Manchester is hosting a conference celebrating Jack...

oltre un anno fa

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Risposto
Redirecting arithmetic functions from LAPACK/BLAS?
It might help to use the transposes of your arrays or interchange the order ot your loops. MATLAB stores 2-d arrays by coluumns...

oltre un anno fa | 3

Pubblicato


Complexity of Computing the Eigenvalues of a Symmetric Matrix
I am giving a five-minute talk today, May 26, at the virtual seminar on Complexity of Matrix Computations. Here are my...

oltre un anno fa

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Computing Eigenvalues of Symmetric Matrices
Computing Eigenvalues of Symmetric MatricesSee revision.Get the MATLAB code (requires JavaScript) ...

oltre un anno fa

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Bringing Back the Bucky Ball
The Bucky Ball provides an elegant example of a graph, the connectivity of the Buckminster Fuller geodesic dome.We are also...

oltre un anno fa

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