Fourier Example - Triangular Function
In this example the original function is f(t) = -2t - 1 for -1 < t < 0 and f(t) = 2t - 1 for 0 < t < 1.
The LiveMath document gives an animation showing the first term of the expansion [the first term is y = cos(πt)] up to the sum of the first 10 terms.
[You need LiveMath Viewer to see this file. Go to Download LiveMath for information.]
Need a break? Play a math game. Well, they all involve math... No, really!


