Homework 1_parttwo

Homework 1_parttwo - -2.0000 5. >> x...

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Roland Wang Homework #1a PART 2B >> x = [3; 1; 7;] x = 3 1 7 1. >> x' ans = 3 1 7 2. >> x'*x ans = 59 3. 4. >> a = [3 2; 1 0;] a =
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3 2 1 0 >> b = [7 6 8; 9 5 4;] b = 7 6 8 9 5 4 a. >> c = a*b c = 39 28 32 7 6 8 b. >> d = b'*a d = 30 14 23 12 28 16 c. >> e = a^(-1)*b e =
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9.0000 5.0000 4.0000 -10.0000 -4.5000
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Unformatted text preview: -2.0000 5. >> x = sym('x') x = x >> a = [1 1; 2 -1;] a = 1 1 2 -1 >> y = sym('y') y = y >> solve ('y=a*x') ans = y/a 6. >> a = [ 1 0 0 2; 1 2 0 6; 1 3 1 8; 0 0 0 2;] a = 1 0 0 2 1 2 0 6 1 3 1 8 0 0 0 2 >> det(a) ans = 4...
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Homework 1_parttwo - -2.0000 5. >> x...

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