sample_exam_questions_3

sample_exam_questions_3 - CE 335 Old exam questions (with...

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CE 335 Old exam questions (with solutions following) for Chapters 13-18 1] Given the points x | 0 1 2 4 y | 0.8 1.5 2 0 (a) Find the value of the interpolating polynomial at x = 3. (Use either the Newton or the Lagrange form to calculate this.) (b) Find the value of the interpolating linear spline at x = 3. (c) Write Matlab code for finding the value of an interpolating cubic spline at x = 3. 2] Given T = (1:12)'; C = [90.9 89.6 97.7 99.6 99.4 95.6 96.5 95.3 92.1 89.6 90.4 93.4]'; (a) Write a Matlab script to fit the data with a cubic spline; plot the spline curve, together with the original points; and estimate T(7.7). (b) What end conditions would the spline generated by your Matlab script have? 3] Given the function values f(0)= 0 f(2)= 3 f(4)= 6 f(6)= 10 f(8)= 17 (a) Estimate the integral of f from 0 to 8 using the composite trapezoid rule. (b) Use Romberg integration to estimate the integral more accurately and also to estimate the error of the numerical approximation.
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Solutions 1] (a)
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This note was uploaded on 08/30/2011 for the course CGN 3350 taught by Professor Lybas during the Spring '11 term at University of Florida.

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sample_exam_questions_3 - CE 335 Old exam questions (with...

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