7 Apr
2016
7 Apr
'16
3:39 a.m.
On 2016-04-06 23:04, Henry Baker wrote:
Aren't epicycles the earliest version of Fourier series?
Yes, http://gosper.org/gibbstriangle.gif --rwg
https://en.wikipedia.org/wiki/Deferent_and_epicycle
Now if someone could show that Ptolemy invented the FFT...
At 05:04 PM 4/6/2016, Marc LeBrun wrote:
Or there's Gosper's observation that enough epicycles actually could have accounted for any observed orbit...