optionalHw1Solution

# optionalHw1Solution - Spring 2011 Optional HW 1 Solutions...

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Unformatted text preview: Spring 2011 Optional HW 1 Solutions: 9.1 205 011 830 208 013 510 23.5 2 9.2 (a) AB = 52 16 18 8 15 13 AC = 0 16 22 14 71 BC = 51 7 4 CB = 11.5 2 16 0 BB = 34 10 6 CC = 97 (b) Inner dimensions do not match: [2 x 2] * [3 x 2] cannot be done (c) BC ≠ CB 9.3 (a) A: 3x2 B: 3x3 C: 3x1 D: 2x4 E: 3x3 F: 2x3 G: 1x3 b) Square: B, E Column: C Row: G c) 5, 6, does not exist, 2, 0, 5 5 8 16 d) (1) 8 4 9 6 0 10 (2) Not possible 40 10 20 3 2 2 60 3 20 2 28 21 49 (4) 7 14 42 14 0 28 (5) Not possible (6) [3 5 1] 54 68 (7) 36 45 28 34 9 2 4 1 (8) 3 6 65 (9) Not possible 437 (10) 1 2 6 204 66 19 54 (11) 19 29 51 54 51 126 (12) 35 (3) 9.6 (a): D = 1 (b): (-2, 8, -3) 9.7 (b): D = 0.02 (d): (10, 14.5) (e): (-10, 4.3); ill-conditioned ...
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optionalHw1Solution - Spring 2011 Optional HW 1 Solutions...

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