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Unformatted text preview: 18.03 Problem Set 3: Second Half These are the last two problems of PS3. The first part was handed out on February 22. Due by 12:45 P.M., Friday, March 7, 2008, in the boxes at 2-106, next to the Undergraduate Mathematics Office. I encourage collaboration on homework in this course. However, if you do your homework in a group, be sure it works to your advantage rather than against you. Good grades for homework you have not thought through will translate to poor grades on exams. You must turn in your own writeups of all problems, and, if you do collaborate, you must write on the front of your solution sheet the names of the students you worked with. Because the solutions will be available immediately after the problem sets are due, no extensions will be possible . I. First-order differential equations L8 F 22 Feb Autonomous equations; the phase line, stability: EP 1.7, 7.1. L9 M 25 Feb Wrap-up: blow-up, characteristic time. R6 T 26 Feb Exam preparation. L10 W 27 Feb Hour Exam I II. Second-order linear equations R7 Th 28 Feb Harmonic oscillator, superposition L11 F 29 Mar The spring-mass-dashpot model; characteristic polynomial; Solution in real root case: EP 2.1, 2.2....
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- Spring '09
- Elementary algebra, Constant of integration, Complex number, initial conditions, initial conditions box