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Fourier Series : Least-Squares Approximation and Mean Square Error

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4. (a). Find the least squares approximation of e^x over the interval [0,1] by a polynomial of the form ao+a1x.

(b). Find the mean square error of the approximation.

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Fourier Series, Least-Squares Approximation and Mean Square Error are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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