4 posts tagged with Quadratic.
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So like one, two, red, blue, I’ll call this one “fish”!

The Quadratic Equation, Dr. Seuss Style.
posted by veedubya on Sep 13, 2011 - 21 comments

Papers and More on Data Mining

It has applications in health care, pharmaceuticals, facial recognition, economics/related areas, and of course, much much more. Previously, MeFi discussed controversial homeland security applications, and the nexus between social networking and mobile devices that further contributes to the pool. With plenty to dig into, let's talk Data Mining in more detail. [more inside]
posted by JoeXIII007 on Apr 22, 2011 - 14 comments

The crying of x^2 + xy + y^2 = 49

"Pynchon, postmodern author, is commonly said to have a non-linear narrative style. No one seems to have taken seriously the possibility, to be explored in this essay, that his narrative style might in fact be quadratic." Number theorist Michael Harris on Pynchon and conic sections.
posted by escabeche on Oct 25, 2009 - 60 comments


What if Euclid had been Japanese? There are traditionally stated and proved theorems about origami. And MetaFilter has previously explored modular origami (as well as the boring old artistic kind), which has a geometric foundation. However, origami itself is a powerful mathematical framework that allows one to, for instance, solve the famously insoluable problem of trisecting an angle. More generally: Traditional geometry solves quadratic equations, origami solves cubic ones. (Many more mathematical items about and using origami can be found in the excellent mathematics teachers' book: Project Origami: Activities for Exploring Mathematics, most of which are unfortunately not findable online).
posted by DU on Feb 13, 2007 - 9 comments

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