Problem 2 Determine the 4th order Newton's divided-difference interpolating polynomial for the function below. Use x = 1, 4, 5, 6, 8. Find the f(x) value at x=7 and x=9. f(x) = ln(x) clear; clc; close all; Hint: we already solved for a third order polynomial. Now you just need to follow the pattern and create a 4th order. This means you will have 4 first divided differences, 3 second divided differences, 2 theird divided differences, and 1 fourth divided differences.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Problem 2
Determine the 4th order Newton's divided-difference interpolating polynomial for the function
below. Use x = 1, 4, 5, 6, 8. Find the f(x) value at x=7 and x=9.
f(x) = ln(x)
clear; clc; close all;
Hint: we already solved for a third order polynomial. Now you just need to follow the pattern and
create a 4th order. This means you will have 4 first divided differences, 3 second divided
differences, 2 theird divided differences, and 1 fourth divided differences.
% Type your code here
Transcribed Image Text:Problem 2 Determine the 4th order Newton's divided-difference interpolating polynomial for the function below. Use x = 1, 4, 5, 6, 8. Find the f(x) value at x=7 and x=9. f(x) = ln(x) clear; clc; close all; Hint: we already solved for a third order polynomial. Now you just need to follow the pattern and create a 4th order. This means you will have 4 first divided differences, 3 second divided differences, 2 theird divided differences, and 1 fourth divided differences. % Type your code here
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