Pulse Fourier Approximation
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Change the number of terms in the Fourier series approximation to see how adding more terms gives a better estimate of the original function.
Contributed by: Eric Mockensturm (June 2011)
Open content licensed under CC BY-NC-SA
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"Pulse Fourier Approximation"
http://demonstrations.wolfram.com/PulseFourierApproximation/
Wolfram Demonstrations Project
Published: June 1 2011