Pre-Engineering 220 Introduction to MatLab ® & Scientific Programming j kiefer



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n




b. Newton’s divided difference formula



Build the formula up step by step:
i) two data points (x1,f1) & (x2,f2). We wish to approximate f(x) for x1 < x < x2.
As a first order approximation, we use a straight line (p1(x) so that




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