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# Problem sets

 HW From Due Problems I 24/09 01/10 I.I  7, 12   l.2  8 (a,b)   I.3  12 2 26/09 01/10 2.1  15, 17   2.2  3, 8, 3 29/09 08/10 2.4  3, 14, 25   2.6  2, 13 4 01/10 08/10 2.6  28  (Hint: try mu=mu(y)) 5 03/10 08/10 2.5  3, 4, 13 6 06/10 15/10 3.1  11, 12   3.2  11 7 08/10 15/10 3.2  23, 27 8 10/10 15/10 3.4  2, 4, 5, 11  3.5  2, 13, 14 9 13/10 22/10 3.6  1-10 (give only the form of an obivous particular solution with undetermined coefficients, do not compute the coefficients) 10 15/10 22/10 3.6  13, 16, 18 11 17/10 22/10 4.1  2, 6, 8  4.2  13, 16 12 20/10 29/10 4.2  17, 21  4.3 13, 15, 17 13 22/10 29/10 3.8  19 (here equilibrium position means u=0) 14 24/10 29/10 3.6  19-21 (give only a suitable from of a particular solution, do not compute the coefficients)3.9   18 (in 18b plot the solution only for w=0.8) 15 27/10 No HW problems to sumit. Review power series. Do problems from section 5.1 as many as necessary. 16 29/10 5/11 5.2  2, 3, 15(a), 16(a) 17 31/10 5/11 5.5  2,3,11,16 18-21 07/11 12/11 7.4  4  7.5  9, 11, 12, 14 22 10/11 19/11 7.6  3, 5, 7  (for each system, only solve and express the general solution in terms of real-valued functions)7.6  9  (only solve the IVP) 23 12/11 19/11 7.8  1, 2, 5  (for each problem, only solve the system) 24 14/11 19/11 10.1  1, 5, 10, 14 25-28 21/11 3/12 10.2  14, 15  10.5  3, 5, 9, 10