A function y = f (x) is given by the following table. X 4 7 12 21 Y В A 61 84 343 a) Explain and Construct the divided difference table for the above data and find f(19.75). b) Find a Lagrange interpolating polynomial which passes through the above points. c) Compute f(19.75) by Lagrange interpolating polynomial and compare your result with the value obtained in (a).
A function y = f (x) is given by the following table. X 4 7 12 21 Y В A 61 84 343 a) Explain and Construct the divided difference table for the above data and find f(19.75). b) Find a Lagrange interpolating polynomial which passes through the above points. c) Compute f(19.75) by Lagrange interpolating polynomial and compare your result with the value obtained in (a).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Subject: Numerical Analysis
Put,
A=26 , B=2.6 , C=5
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