(a) Given a function f that satisfies f(-1) = 3,f(0) = -4,f(1) = 5 and f(2)=-6....
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(a) Given a function f that satisfies f(-1) = 3,f(0) = -4,f(1) = 5 and f(2)=-6. Find the unique Lagrange interpolating polynomial of degree 3 that agrees with all given function values. Show your steps. (b) Given a closed and bounded interval [c, d], and suppose this interval consists of (n + 1) regularly spaced nodes (including the two endpoints, c and d). Denote the nodes as Prove that for all x € [c,d], [(x-x₁)(x − x₂) ... (x - xn+1)] ≤n!. (d=²)n+¹ (C) Let f(x) = sinx, and 4 nodes are given (including the two endpoints), at x =0, and An interpolating polynomial of degree 3, P, (x) is used to approximate f(x) on [0]. Show that when P, (x) is used to "approximate" f(x) at x = =, the maximum possible error is less than 0.003. Show your steps. (a) Given a function f that satisfies f(-1) = 3,f(0) = -4,f(1) = 5 and f(2)=-6. Find the unique Lagrange interpolating polynomial of degree 3 that agrees with all given function values. Show your steps. (b) Given a closed and bounded interval [c, d], and suppose this interval consists of (n + 1) regularly spaced nodes (including the two endpoints, c and d). Denote the nodes as Prove that for all x € [c,d], [(x-x₁)(x − x₂) ... (x - xn+1)] ≤n!. (d=²)n+¹ (C) Let f(x) = sinx, and 4 nodes are given (including the two endpoints), at x =0, and An interpolating polynomial of degree 3, P, (x) is used to approximate f(x) on [0]. Show that when P, (x) is used to "approximate" f(x) at x = =, the maximum possible error is less than 0.003. Show your steps.
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Related Book For
Numerical Methods With Chemical Engineering Applications
ISBN: 9781107135116
1st Edition
Authors: Kevin D. Dorfman, Prodromos Daoutidis
Posted Date:
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