# EXAM2 - 2-23-8Name:EGM 3344 Introduction to Numerical...

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Unformatted text preview: 2-23-8Name:EGM 3344 Introduction to Numerical Methods of Engineering Analysis SECOND IN-TERM EXAM In this exam you may use only one 8.5x11” formula page, and a pen or a pencil (no computers or calculators).. Please sign a pledge that you have not violated any of the university honesty provisions with regards to this exam. (1%)_____________________ 1.(25%) The equation for the elastic displacement of a beam is y=c[-x5+(8/3)x3-x]. Find the point of maximum deflection in the interval (0,1). a.Do by hand one iteration of the bisection method including the new interval for the next iteration. y’=c[-5x4+8x2-1] y’(0)=-c, y’(1)=2c. At the midpoint y’(0.5)=c(-5/16+8/4-1)>0. So the new interval is (0,0.5). b.Write Matlab code to solve the same problem using the function roots. a=[-5 0 8 0 -1]; roots(a) Name: 2.((25%) Consider the function f(x)=ex-5+5x. We want to find a root of the function, starting at x=0....
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EXAM2 - 2-23-8Name:EGM 3344 Introduction to Numerical...

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