Lecture # | Part |
Topic Description | Page # in textbook |
1 | Introduction | Motivating examples. Definition and classification. Solutions. |
P. 2-5 |
2 | Initial value problems. Existence and uniqueness for 1st-order IVP. | P. 13-15 |
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2 | First-Order Differential Equations | Separable DEs. | P. 50-52 |
3 | Exact DEs. | P. 67-70 | |
4 | Integrating factor and exact DEs. | P. 71-72 | |
5 | First-order linear DEs. | P. 59-63 | |
6 | Solving first-order DEs by special substitutions: |
P. 75-77 | |
7 | Linear models by 1st-order DEs: Growth/Decay. Cooling/heating. Mixture problem. |
P. 92-96 | |
8 | Nonlinear models by 1st-order DEs: Logistic (population growth) model. Chemical reaction. |
P. 103-108 | |
9 | Second-Order Linear DEs | IVP. Existence & uniqueness. Linear dependence/independence. | P. 127-135 |
10 | Structure of solutions: |
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11 | |||
12 | Reduction of order. | P. 139-141 | |
13 | Homogeneous DEs with constant coefficients: Characteristic equations. Fundamental set. General solutions. |
P. 143-144 | |
14 | Method of undetermined coefficients. | P. 150-156 | |
15 | |||
16 | Method of variation of parameters. | P. 168-170 | |
17 | Midterm review. | ||
18 | |||
19 | (In-class) Midterm test. | ||
20 | Cauchy-Euler equations. | P. 173-177 |
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21 | Higher-order equations. Nonlinear 2nd-order equations. | P. 145-146, 184-185 | |
22 | Vibrations in mechanical systems. | P. 195-205 | |
23 | Series Solutions of Linear DEs | Existence of power series solutions. | P. 241-246 |
24 | Series solutions and singular points. | P. 250-251 | |
25 | Method of Frobenius. | P. 251-254 | |
26 | Method of Frobenius II. | P. 255-256 | |
27 | The Laplace Transform | Definition of Laplace transform. | P. 278-280 |
28 | Existence of Laplace transform. | P. 281-282 | |
29 | Inverse transform. Translation theorems. | P. 284-286, 293-299 | |
30 | Transforms of derivatives. IVPs. | P. 287-290 | |
31 | Derivatives of transforms. | P. 305-306 | |
32 | Convolution theorem. | P. 306-309 | |
33 | Unit impulse functions. | P. 315-317 | |
34 | Summary and more examples. | ||
35 | Applications to LRC series circuits. | P. 309-312 |