Homework Lecture 9

# Homework Lecture 9 - >> b =[f1.133*f1.5*f2-f1 0 0 f2 0...

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Homework Problem 9.1 >> A = [.5 1 0 0 0 0 0; .866 0 0 0 0 0 0; -.5 0 .5 1 0 0 0; .866 0 .866 0 0 0 0; 0 -1 -.5 0 .5 1 0; 0 0 .866 0 .866 0 0; 0 0 0 -1 -.5 0 .5] A = 0.5000 1.0000 0 0 0 0 0 0.8660 0 0 0 0 0 0 -0.5000 0 0.5000 1.0000 0 0 0 0.8660 0 0.8660 0 0 0 0 0 -1.0000 -0.5000 0 0.5000 1.0000 0 0 0 0.8660 0 0.8660 0 0 0 0 0 -1.0000 -0.5000 0 0.5000 >> save A_equil_truss A >> f1 = 1000 f1 = 1000 >> f2 = 5000 f2 = 5000

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Unformatted text preview: >> b = [f1; -.133*f1 - .5*f2; -f1; 0; 0; f2; 0] b = 1000-2633-1000 5000 >> x = A \b x = 1.0e+003 *-3.0404 2.5202 3.0404-4.0404 2.7333 2.6738-5.3476 Problem 9.2 >> A = [1 1; 4 5] A = 1 1 4 5 >> Aaug = [2; 10] Aaug = 2 10 >> x = A \Aaug x = 2 >> B = [1 2 3; 4 7 14; 1 4 4] B = 1 2 3 4 7 14 1 4 4 >> Baug = [-1; 3; 1] Baug =-1 3 1 >> x = B \Baug x =-9.4000-0.6000 3.2000...
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## This note was uploaded on 01/15/2011 for the course MATH 345 taught by Professor Staff during the Spring '08 term at Ohio State.

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Homework Lecture 9 - >> b =[f1.133*f1.5*f2-f1 0 0 f2 0...

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