4. Approximate cosx by a fourth-degree polynomial for values of x close to 0. (5 分)

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Chia Chung

詳解 #6142227

2024/06/24

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12. Find the least squares line for the given data. (10 分)(3,2), (4,3), (5,2). Method of Least Squares: The straight liney = a + bxshould be fitted through the given points (x₁,y₁), ..., (xₙ,yₙ) so that the sum of the squares of the distances of those points from the straight line is minimum, where the distance is measured in the vertical direction (the y-direction).

4. Approximate cosx by a fourth-degree polynomial for values of x close to 0. (5 分)

詳解 (共 1 筆)

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