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Another topic that has confounded me as much as FFTs are Quaternions.
by shorodei 12y ago
Another topic that has confounded me as much as FFTs are Quaternions.
- cbd1984 12y agoTake a look at geometric algebra. http://www.geometricalgebra.net/ http://www.geometricalgebra.net/ http://en.m.wikipedia.org/wiki/Geometric_algebra http://en.m.wikipedia.org/wiki/Geometric_algebra
- GFK_of_xmaspast 12y agoThat's not quite the same, but worth reading up on anyway.
- cbd1984 12y agoThe quaternions are a subalgebra of geometric algebra. It's not quite the same in that it's strictly more general and, therefore, more broadly applicable.
- malingo 12y agoI found this example by Steven Wittens to be remarkably well done: http://acko.net/blog/animate-your-way-to-glory-pt2/ http://acko.net/blog/animate-your-way-to-glory-pt2/ See the section "Blowing up the Death Star" and note that there are 100 parts total. "So that's quaternions, the magical rotation vectors."