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Computer project: find a least square polynomial approximation of f(x) =H(x) (the heaviside function) on the

interval [−1,1], min∫1−1[f(x)−pn(x)]2dx.Use the mposite Trapezoid rule with 100 quadrature points to approx-imate the integrals. Show the graphs of approximating polynomials for n= 10,20,30.Compare em to the graph off(x).



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