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Statement of a problem № m53526

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Determine the discrete least squares trigonometric polynomial Sn(x) on the interval [−π, π] for the following functions, using the given values of m and n: a. f (x) = cos 2x, m = 4, n = 2 b. f (x) = cos 3x, m = 4, n = 2 c. f (x) = sin x/2 + 2 cos x/3 , m = 6, n = 3 d. f (x) = x2 cos x, m = 6, n = 3




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