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Unformatted text preview: HW10 Tian Gu Code: 815 11/09/2010 Problem #1 Given the following matrices a) find A+C b) A1 and check your answer c) Find x=A(C+D) d) Find inverse matric for X e) Please check your answers with MATLAB and show the proof that the above are correct close all clear all clc A = [3,1 2,2]; B = [1,21, 4]; disp((A+B)) Output 4 1 1 2 close all clear all clc A = [3,1 2,2]; disp(inv(A)); Output 0.5000 0.2500 0.5000 0.7500 close all clear all clc A = [3,1 2,2]; C = [1,21,4]; D = [5,04,2]; x = A(C+D); disp(x); Outout3 1 7 8 close all clear all clc A = [3,1 2,2]; C = [1,21,4]; D = [5,04,2]; x = A(C+D); disp(x^(1)); Output0.4706 0.05880.4118 0.1765 Problem #2 is given to you (d=  2,c=6). a) Find B1, how would you check your answer? b) If find x and y (use Matrix formulation) 69 c) Verify your answers with hand calculation as well as MATLAB close all clear all clc d = 2; c = 6; B = [d,c1,1]; disp(B^(1)); Output 0.2500 1.5000 0.2500 0.5000 close all clear all clc d = 2; c = 6; B = [d,c1,1]; E = [1, 2]; C = E/B; disp(C); Output 0.1250 1.2500 Problem #2 B= 1ejp/3 C= 2jejp/2 D= (2j)ejp/2 a) Find B, C, and D in rectangular and exponential forms (provide angles in degrees and radians) b) Find C/D in rectangular and exponential forms c) Find B*D/C in rectangular and exponential forms d)...
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 Fall '09

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