4_Quarterman_Patrick_HW03A

4_Quarterman_Patrick_HW03A - B=[-6;4;15] B =-6 4 15...

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%Patrick Quarterman HW3A A=[7 13;4 5]; B=[2 8;7 -5] B = 2 8 7 -5 C=[32 3 0;0 -9 8;-6 7 19] C = 32 3 0 0 -9 8 -6 7 19 %1. A-B A-B ans = 5 5 -3 10 %2. A*B A*B ans = 105 -9 43 7 %3. C^-1 I=inv(C) I = 0.0306 0.0077 -0.0032 0.0065 -0.0821 0.0346 0.0073 0.0327 0.0389 %4. Determinant of C D=det(C) D =
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-7408 CC=I*C CC = 1.0000 -0.0000 0 0 1.0000 -0.0000 0 0 1.0000 clear % Part 2 A=[4 .5 -7;-3 1 2;9 2 0] A = 4.0000 0.5000 -7.0000 -3.0000 1.0000 2.0000 9.0000 2.0000
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Unformatted text preview: B=[-6;4;15] B =-6 4 15 X=inv(A)*B X = 0.8980 3.4592 1.6173 %Part 3 P=[2 5 -12 -9] P = 2 5 -12 -9 R=roots(P) R =-3.7739 1.9011-0.6272 PP=[3 0 -2 0] PP = 3 0 -2 RR=roots(PP) RR = 0.8165-0.8165 ezplot('2*x^3+5*x^2-12*x-9')-6-4-2 2 4 6-200-100 100 200 300 400 500 x 2 x 3 +5 x 2-12 x-9 ezplot('3*x^3-2*x')-6-4-2 2 4 6-800-600-400-200 200 400 600 800 x 3 x 3-2 x diary off...
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This note was uploaded on 11/16/2010 for the course EGR 102 taught by Professor Hinds during the Spring '09 term at Michigan State University.

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4_Quarterman_Patrick_HW03A - B=[-6;4;15] B =-6 4 15...

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