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Need to find Fourier series of the following graph.....question is also written in figure.

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  • $\begingroup$ ...and you want to do this in Mathematica? Do you already have an expression for the function represented by the red graph? $\endgroup$ – J. M.'s technical difficulties Oct 20 '18 at 7:32
  • $\begingroup$ 1) Yes...i want to find Find Fourier Series/Coefficients with Mathematica. $\endgroup$ – UTs Oct 20 '18 at 7:35
  • $\begingroup$ 2) I dont have the expression for the function represented in red graph....want mathematica to find it $\endgroup$ – UTs Oct 20 '18 at 7:36
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    $\begingroup$ That would help. $\endgroup$ – J. M.'s technical difficulties Oct 20 '18 at 7:46
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    $\begingroup$ I am positive that you can build up the expression for the general Fourier coefficient from this simple integral: Integrate[Sin[\[Omega] t] Exp[I n t], {t, a, b}]. Pleas note that copyable code in Mathematica syntax is usually preferred over images. $\endgroup$ – Henrik Schumacher Oct 20 '18 at 8:00

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