Answer all questions, working needs to be shown to get full marks.
Compare the results from the four methods listed below, when determining the first positive root, accurate to 3 decimal places, for the f(x):
Fixed point iterative method
ii. Bisection method
iii. Secant method
iv. Newton-Raphson method
b) Complete the table below of values for f(x) and include in your assignment.
x 0 0.5 1.5 4
Determine the polynomial of degree three that interpolates these points.
ii. Use the polynomial to calculate an approximation for f(x)when x=1.
iii. What is the relative error at x=1.
2. Solve u_(r+2)+?3u?_(r+1)+2u_r=2r-3 given thatu_0=0 and u_1=1 and calculate u_5
3. Integrate the function
over the given region R, as shown, where Ris the region bounded by:
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