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A comment on Show HN: Interactive Essay on Signals, Sampling and the Fourier Transform. Parent comment

Re:Show HN: Interactive Essay on Signals, Sampling and the F... by cbd1984 on Monday March 02, 2015 @01:40PM (#9133481)
Take a look at geometric algebra.

http://www.geometricalgebra.net/

http://en.m.wikipedia.org/wiki/Geometric_algebra

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Re:Show HN: Interactive Essay on Signals, Sampling and the F... by GFK_of_xmaspast on Monday March 02, 2015 @02:01PM (#9133604)
That's not quite the same, but worth reading up on anyway.
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Re:Show HN: Interactive Essay on Signals, Sampling and the F... by cbd1984 on Monday March 02, 2015 @08:15PM (#9135542)
The 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.
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