(3/4) Analysis: Explaining Fourier analysis with a machine

► Learn more at: http://www.engineerguy.com/fourier ► Buy the book on Amazon: http://www.amazon.com/gp/product/0983966176/ ► Buy the posters on Zazzle: http://www.zazzle.com/engineerguy ► Main videos in the series: (1/4) Introduction: https://www.youtube.com/watch?v=NAsM30MAHLg (2/4) Synthesis: https://www.youtube.com/watch?v=8KmVDxkia_w (4/4) Operation: https://www.youtube.com/watch?v=jfH-NbsmvD4 ► Bonus videos: Books and Posters: https://www.youtube.com/watch?v=YXgTwrblClQ Page-by-Page: https://www.youtube.com/watch?v=rMHw9GCAtE8 Spinning Machine: https://www.youtube.com/watch?v=XPQwKRt4Y2k Rocker Arms: https://www.youtube.com/watch?v=4mBuyixt22U This series on Albert Michelson’s Harmonic Analyzer celebrates a nineteenth century mechanical computer that performed Fourier analysis by using gears, springs and levers to calculate with sines and cosines—an astonishing feat in an age before electronic computers. This video (the third of four) shows how to use the machine to do Fourier analysis. Check out the series companion book and learn how to get a free PDF of the entire book at http://www.engineerguy.com/fourier.