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Posts 91 - 100 of 143

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Happy Valentine’s Day

ContentsThanks ezplot('(x^2+y^2-1)^3 = x^2*y^3', ... [-1.5,1.5,-1.2,1.5]) colormap([.5 .2 .2]) ThanksEdward Scheinerman, The Mathematics Lover's Companion, Yale University Press,... read more >>

Two Other MATLABs, in Bangladesh and in Hindi 2

This post is about the words "Matlab" and "matlab", in upper and lower case, and without a trademark symbol. Matlab with a capital "M" is a district in Bangladesh. "matlab" with a lower case "m" is a common word in the Hindi language. ... read more >>

My First Computer, the Burroughs 205 Datatron 1

The first computer that I seriously used was the Burroughs 205 Datatron. I actually used two different machines, one at Caltech for two years in 1959-61 and one at the University of Utah in the summer of 1960. Both the technology and the style of usage were wildly different from today's computers.... read more >>

How Far Apart Are Two Random Points in a Hypercube? 3

Two days ago I wrote about random points in a square. At the last minute I added the paragraph asking about the generalization to random points in a cube. I have to admit that I didn't check the Web to see what was known about the question.... read more >>

How Far Apart Are Two Random Points in a Square? 5

How far apart can you expect two points chosen at random in the unit square to be? I found this problem on the YouTube channel maintained by Presh Talwalkar, Mind Your Decisions. He correctly calls it a very hard puzzle. At first, I guessed the answer might be $1/2$. But the correct answer is more interesting than that.... read more >>

A Logo Zoetrope

A Logo ZoetropeA quick post to point my readers to Ned Gulley's post in MATLAB Community, A Galloping Logo Zoetrope. Don't know what a Zoetrope is? Ned explains.Get the MATLAB code (requires... read more >>

Brad Efron’s Nontransitive Dice

Do not get involved in a bar bet with Brad Efron and his dice until you have read this.... read more >>

C^5, Cleve’s Corner Collection Card Catalog 2

I have been writing books, programs, newsletter columns and blogs since 1990. I have now collected all of this material into one repository. Cleve's Corner Collection consists of 458 "documents", all available on the internet. There are... read more >>

Levenshtein Edit Distance Between Strings

How can you measure the distance between two words? How can you find the closest match to a word in a list of words? The Levenshtein distance between two strings is the number of single character deletions, insertions, or substitutions required to transform one string into the other. This is also known as the edit distance.... read more >>

“Half Precision” 16-bit Floating Point Arithmetic 5

The floating point arithmetic format that requires only 16 bits of storage is becoming increasingly popular. Also known as half precision or binary16, the format is useful when memory is a scarce resource.... read more >>

Posts 91 - 100 of 143