Cleve Moler

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MathWorks

269 total contributions since 2012

The world's first MATLAB programmer.

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Published

CR and CAB, Rank Revealing Matrix Factorizations
The rank of a linear transformation is a fundamental concept in linear algebra and matrix factorizations are fundamental...

3 mois ago

Published

Holiday Greetings 2020
I want to share some colorful images featuring the seven colors in the MATLAB axes color order.... read more >>

4 mois ago

Published

A Famous Equation, x^2 = 2^x
A recent episode of the popular YouTube channel "blackpenredpen" is about solutions to the famous equation... read more...

4 mois ago

Published

Paul Saylor, 1939-2020
My friend Paul Saylor passed away on November 7th.... read more >>

5 mois ago

Published

Anticipating Official U.S. Census for 2020
On October 13, the U.S. Supreme Court ruled that the U.S. Census Bureau could stop the 2020 census early. Here is a link to...

5 mois ago

Submitted

Cleve_Lab
A Mathematical Exploratium

5 mois ago | 83 downloads |

Published

Notes on CR and west0479
My post a few days ago, Gil Strang and the CR Matrix Factorization, generated a lot of email. Here is the resulting...

6 mois ago

Published

Gil Strang and the CR Matrix Factorization
My friend Gil Strang is known for his lectures from MIT course 18.06, Linear Algebra, which are available on MIT...

6 mois ago

Published

Two Dubious Ways to Solve A*X = X*B, part 1
Recently, I had email from a student in Italy.... read more >>

6 mois ago

Published

Addition to SVD and Partisanship in the U. S. Senate
I have added this section to my post a few weeks ago about using the SVD to measure partisanship in the United States...

7 mois ago

Published

SVD Quantifies Increasing Partisanship in the U. S. Senate
Many observers have noted that the United States Senate has become increasingly partisan in recent years. Votes are being...

8 mois ago

Published

Collatz Inequality and Singleton Expansion
I've blogged about this gem from Lothar Collatz (1910-1990) before, but it deserves to be repeated. Especially since it now...

8 mois ago

Published

Serendipity, Kuramoto, Colleagues and Backslash
Alexa tells me that the definition of serendipity is "the occurrence and development of events by chance in a happy or...

9 mois ago

Published

A Mesmerizing Animation
A Mesmerizing AnimationWe are working on a paper about the Kuramoto model of self-synchronizing oscillators. This animation...

9 mois ago

Published

History of MATLAB Published by the ACM
"A History of MATLAB", a 67-page paper that Jack Little and I have written, has been published by the ACM, the Association...

10 mois ago

Published

Moler on E-NLA, Wednesday, May 27
It has been a while since I made a blog post. It is because I am preparing to give a talk next week on"The Evolution of...

11 mois ago

Published

Precise Setting of a Delicate Parameter with “pibar”
(A slight revision of the post I made a few hours ago.)... read more >>

12 mois ago

Published

John Horton Conway
John Horton ConwayFrom the New York Times, April 15, 2020John Horton Conway, a ‘Magical Genius’ in Math, Dies at... read...

12 mois ago

Published

Champagne Portraits of Complex Functions
Lots of tiny bubbles.... read more >>

environ un an ago

Published

Web Fake News Simulator
... read more >>

environ un an ago

Submitted

COVID19 Simulator.
Simulate spread of COVID19

environ un an ago | 17 downloads |

Published

Second Version of a COVID-19 Simulator
I have completely rewritten the COVID-19 simulator that I described in last week's blog post and I now have a second...

environ un an ago

Published

COVID-19 Simulator
ContentsSimulatorAnimationFirst frameFinal frameFull barrierNo barrierLarger populationSmaller...

environ un an ago

Published

It is Friday the 13th Again
Today is Friday, March 13, 2020. In many parts of the world, Friday the 13th is considered unlucky. I've written blog...

environ un an ago

Published

Gene Golub’s 22nd Birthday
Tomorrow, February 29, 2020 would be Gene Golub's 22nd birthday.... read more >>

environ un an ago

Published

Roundoff Patterns from Triple Kronecker Products
While I was working on my posts about Pejorative Manifolds, I was pleased to discover the intriguing patterns created by the...

environ un an ago

Published

Pejorative Manifolds of Polynomials and Matrices, part 2
In an unpublished 1972 technical report "Conserving confluence curbs ill-condition," Velvel Kahan coined the descriptive...

environ un an ago

Published

Pejorative Manifolds of Polynomials and Matrices, part 1
In an unpublished 1972 technical report "Conserving confluence curbs ill-condition," Velvel Kahan coined the descriptive...

environ un an ago

Published

MathWorks Blue Meets Air Force Academy Blue
I have always been fascinated by the names that are used to describe colors. There are dozens of web sites with lists of...

plus d'un an ago