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LECTURE 8 NUMERICAL DIFFERENTIATION FORMULAE BY ...
CE 30125 - Lecture 8 p. 8.4 Develop a quadratic interpolating polynomial • We apply the Power Series method to derive the appropriate interpolating polynomial • Alternatively we could use either Lagrange basis functions or Newton forward or backward interpolation approaches in order to establish the interpolating polyno- mial
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LECTURE 3 LAGRANGE INTERPOLATION
coast.nd.eduPower Series Fitting to Define Lagrange Interpolation • must match at the selected data points : : • Solve set of simultaneous equations • It is relatively computationally costly to solve the coefficients of the interpolating func-tion (i.e. you need to program a solution to these equations). gx fx gx o = f o a o a 1 x o a 2 x o 2 a N x o
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