Find fourier series f(x)=x^2-2 when -2
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What is the Fourier series to represent f(x) =x²-2 when -2≤x≤2?
Although you do not specify it, it seems the cosine transform is most appropriate for this even function. There are several online calculators such as
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Although you do not specify it, it seems the cosine transform is most appropriate for this even function. There are several online calculators such as
If you cannot adapt this to your function (treated as periodic) then you will have to work out integrals of (x^m-2) cos m( pi x/2 ) over (0, 2), m= 0 , 1, 2, …, and use he formula for coefficienta at
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