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# HW7 - problems as well 13.11 Matlab 13.18 Matlab Take 10...

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HOMEWORK ASSIGNMENT 7 EGM 3344 Linear Systems Concepts Problems from Chapra book chapters 12-13 Due: Friday, 11/8/2010 Problem Approach Comments 12.7 Matlab Formulate Newton-Raphson equations by hand, implement numerical solution in Matlab. Use 0.5 instead of 0.75 in the first equation to get the solution below. 13.5 Matlab To solve the overdetermined linear system Ax b = for the unknown coefficients in the x vector, use 1 ( ) ( ) T T x A A A b - = . 13.7 Matlab To linearize, divide by x and take the natural logarithm. To solve the overdetermined linear system for the unknown coefficients, use the Matlab backslash (\) operator. Unless stated otherwise, use the backslash operator where appropriate for all remaining

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Unformatted text preview: problems as well. 13.11 Matlab 13.18 Matlab Take 10 log of the data before fitting. Find 2 α and 2 β in 2 2 T μ = . Calculate 2 r using the untransformed data. Answers 12.7 13.5 2 13.7 Plot of linearized data with linear regression fit: Plot of original data with nonlinear model fit: 4 9.661786 α = , 4-2.4733 β = 13.11 Plot of linearized data with linear regression fit: 3 Plot of original data with nonlinear model fit: a = 0.4149, b = 0.3799 Surface area for a 95 kg person ≈ 2.34 2 m 13.18 Plot of untransformed at and regression fit: 2 38,147.94 α = , 2 3.01338 β = -2 0.7461 r =...
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HW7 - problems as well 13.11 Matlab 13.18 Matlab Take 10...

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