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Cleve Moler

MathWorks

Last seen: Today Active since 2012

The world's first MATLAB programmer.

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Content Feed

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...

5 maanden ago

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Published


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...

5 maanden ago

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Published


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

6 maanden ago

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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...

7 maanden ago

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Published


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

8 maanden ago

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Published


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

9 maanden ago

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Published


Qube, The Movie
... read more >>

9 maanden ago

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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...

10 maanden ago

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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...

10 maanden ago

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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.... read more >>

10 maanden ago

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Published


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

12 maanden ago

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Published


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...

12 maanden ago

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Published


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...

ongeveer een jaar ago

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Published


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...

ongeveer een jaar ago

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Published


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 >>

ongeveer een jaar ago

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

ongeveer een jaar ago

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Published


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. ...

ongeveer een jaar ago

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Published


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

ongeveer een jaar ago

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Published


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

ongeveer een jaar ago

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Published


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

meer dan een jaar ago

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Published


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...

meer dan een jaar ago

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Published


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...

meer dan een jaar ago

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Solved


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

meer dan een jaar ago

Published


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

meer dan een jaar ago

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Published


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...

meer dan een jaar ago

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Published


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

meer dan een jaar ago

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Answered
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...

meer dan een jaar ago | 3

Published


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...

meer dan een jaar ago

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Published


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

meer dan een jaar ago

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Published


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...

meer dan een jaar ago

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