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Unformatted text preview: (rating = E) Strogatz 3.6.2 Section 4.1 Problems : Problem 4: (rating = E) Strogatz 4.1.2 Problem 5: (rating = E) Strogatz 4.1.5 Problem 6: (rating = I) Strogatz 4.1.8 Section 4.2 Problems : Problem 7: (rating = I) Strogatz 4.2.2 Math 550.391, Homework Set 4-f08, Hackernotes c Wayne Hacker 2008. All rights reserved. 2 Section 4.3 Problems : Problem 8: (rating = E) Strogatz 4.3.2 Problem 9: (rating = E) Strogatz 4.3.3 Section 4.4 Problems : Problem 10: (rating = E) Strogatz 4.4.1 Warning: While the answer in the back of the book is correct, it is misleading. In the text, Strogatz leaves time as a dimensional quantity. If your going to non-dimensionalize an equation, then you must non-dimensionalize all of the variables in the equation! In particular, you must non-dimensionalize time. (see my notes for details)....
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