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Unformatted text preview: polyfit to determine the cubic polynomial coefficients. Use the bisection algorithm from one of your old homework assignments to solve the rootfinding problem. Answers 14.3 2 3 11.4887 7.143817 1.04121 0.046676 y x x x = ++ 2 0.829 r = 2 14.6 13.52214286 0.20123810 0.10492857 o T c =At T = 12 and c = 15, the predicted value of o is 9.53335714 Percent relative error = 4.8774% 14.7 2 3 14.027143 0.336423 0.00574444 0.000043704 0.10492857 o T T T c =+At T = 12 and c = 15, the predicted value of o is 9.16781492 which is much closer to the true value of 9.09 than the result in the previous problem. 14.14 a) Linear model 3 b) Power model Wrong R^2 values for b) – should be 0.9377. c) Saturationgrowth rate model d) Quadratic model 15.2 First order: 12.5 Second order: 10.5 Third order: 10 Fourth order: 10 15.3 4 First order: 12.5 Second order: 10.5 Third order: 10 15.5 3 2 ( ) 0.15 1.5 5.25 7.5 f x x x x = ++ x = 2.2156...
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 Fall '09
 RAPHAELHAFTKA
 Numerical Analysis, Quadratic equation, simple Matlab program, 4.8774%, 9.53335714 Percent

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