CDS 140, Winter 2016
From MacMynowski
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=== Announcements === | === Announcements === | ||
| + | * Final exam will be due by 9am on Wednesday the 16th. (I fly out on the 17th, so need some time to grade. That means that if a few of you want to hand it in by noon on the 16th thats ok, as long as not everyone does that; let me know if you want til noon.) | ||
* Homework will be due Wednesdays in class (or by 5pm to Benson). Homework assignments are posted below. | * Homework will be due Wednesdays in class (or by 5pm to Benson). Homework assignments are posted below. | ||
* [https://piazza.com/caltech/winter2016/cds140/home Piazza] If you have not received an email to sign up for Piazza, please email us! | * [https://piazza.com/caltech/winter2016/cds140/home Piazza] If you have not received an email to sign up for Piazza, please email us! | ||
* Dates for recitation are shown in italics in schedule. Dates where JCD is lecturing given with asterisk | * Dates for recitation are shown in italics in schedule. Dates where JCD is lecturing given with asterisk | ||
* HW2 is posted below. Note that if you want, you may hand in the last question on HW1 with HW2 (since we haven't covered that yet), but probably easier for you to hand in with HW1. | * HW2 is posted below. Note that if you want, you may hand in the last question on HW1 with HW2 (since we haven't covered that yet), but probably easier for you to hand in with HW1. | ||
| + | * Some good quality typed up lecture notes from 2011 on manifolds, Lyapunov, and centre manifold (also posted below) | ||
| + | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/Cds140a-wi11-Week4Notes.pdf SMT] | ||
| + | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/Cds140a-wi11-Week5Notes.pdf Lyapunov] | ||
| + | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/Cds140a-wi11-Week5NotesCMT.pdf CMT] | ||
| + | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/Cds140a-wi11-InvManRemark.pdf Invariant] | ||
=== Course Description === | === Course Description === | ||
| Line 74: | Line 80: | ||
| 1 Feb* <br> 3 Feb* <br> 5 Feb* | | 1 Feb* <br> 3 Feb* <br> 5 Feb* | ||
| Non-hyperbolic differential equations [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/L5_2013.pdf L5 2013 notes] | | Non-hyperbolic differential equations [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/L5_2013.pdf L5 2013 notes] | ||
| + | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/Cds140a-wi11-Week4Notes.pdf SMT] | ||
| + | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/Cds140a-wi11-Week5Notes.pdf Lyapunov] | ||
| + | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/Cds140a-wi11-Week5NotesCMT.pdf CMT] | ||
| + | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/Cds140a-wi11-InvManRemark.pdf Invariant] | ||
* Lyapunov functions | * Lyapunov functions | ||
* Center manifold theorem | * Center manifold theorem | ||
| Line 82: | Line 92: | ||
| Global behavior | | Global behavior | ||
* Limit sets and attractors | * Limit sets and attractors | ||
| − | * Krasovskii-Lasalle invariance principle | + | * Krasovskii-Lasalle invariance principle |
* Periodic orbits and limit cycles | * Periodic orbits and limit cycles | ||
| Perko, 3.1-3.3 | | Perko, 3.1-3.3 | ||
| Line 89: | Line 99: | ||
| 17 Feb <br> 19 Feb | | 17 Feb <br> 19 Feb | ||
| Limit cycles | | Limit cycles | ||
| + | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/LectureNotes_Feb_2016.pdf Lecture notes] | ||
* Poincare' map | * Poincare' map | ||
* Bendixson criterion for limit cycles in the plane | * Bendixson criterion for limit cycles in the plane | ||
| − | + | | Perko, 3.4-3.5, 3.7, 3.9 | |
| − | | Perko, 3.4-3.5, 3.7 | + | | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/hw6-wi16.pdf hw6-wi16.pdf] <br> Due: 24 Feb (Wed) |
| − | | [ | + | |
|- valign=top | |- valign=top | ||
| − | | 22 Feb '''2 hrs''' <br> ''26 Feb'' | + | | 22 Feb <br> '''2 hrs''' <br> ''26 Feb'' |
| Bifurcations | | Bifurcations | ||
| + | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/LectureNotes_Mar_2016.pdf Lecture notes] | ||
* Sensitivity analysis | * Sensitivity analysis | ||
* Structural stability | * Structural stability | ||
* Bifurcation of equilibrium points | * Bifurcation of equilibrium points | ||
| Perko 4.1-4.2 <br> | | Perko 4.1-4.2 <br> | ||
| − | + | | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/hw7-wi16.pdf hw7-wi16.pdf] <br> Due: 31 Feb (Wed) | |
| − | + | ||
|- valign=top | |- valign=top | ||
| 29 Feb* <br> 2 Mar* <br> 4 Mar* | | 29 Feb* <br> 2 Mar* <br> 4 Mar* | ||
| Line 109: | Line 119: | ||
* Application example | * Application example | ||
| Perko 4.3-4.5 + notes | | Perko 4.3-4.5 + notes | ||
| − | | [ | + | | [http://www.cds.caltech.edu/~macmardg/courses/cds140a/wi16/hw8-wi16.pdf hw8-wi16.pdf] <br> Due: 38 Feb (Wed) |
|- valign=top | |- valign=top | ||
| 7*, 9* Mar <br> | | 7*, 9* Mar <br> | ||
| Line 145: | Line 155: | ||
The final grade will be based on homework and a final exam: | The final grade will be based on homework and a final exam: | ||
* Homework (75%) - There will be 9 one-week problem sets, due ''in class'' approximately one week after they are assigned. ''Late homework will not be accepted without <u>prior</u> permission from the instructor.'' | * Homework (75%) - There will be 9 one-week problem sets, due ''in class'' approximately one week after they are assigned. ''Late homework will not be accepted without <u>prior</u> permission from the instructor.'' | ||
| − | * Final exam (25%) - The final will be handed out the last day of class and is due back | + | * Final exam (25%) - The final will be handed out the last day of class and is due back by 9am on Wednesday, March 16. Open book, 3 hour time limit in one sitting. |
The lowest homework score you receive will be dropped in computing your homework average. In addition, if your score on the final is higher than the weighted average of your homework and final, your final will be used to determine your course grade. | The lowest homework score you receive will be dropped in computing your homework average. In addition, if your score on the final is higher than the weighted average of your homework and final, your final will be used to determine your course grade. | ||
Latest revision as of 16:26, 15 March 2016
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Introduction to Dynamics | |
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Instructors
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Teaching Assistants
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[edit] Announcements
- Final exam will be due by 9am on Wednesday the 16th. (I fly out on the 17th, so need some time to grade. That means that if a few of you want to hand it in by noon on the 16th thats ok, as long as not everyone does that; let me know if you want til noon.)
- Homework will be due Wednesdays in class (or by 5pm to Benson). Homework assignments are posted below.
- Piazza If you have not received an email to sign up for Piazza, please email us!
- Dates for recitation are shown in italics in schedule. Dates where JCD is lecturing given with asterisk
- HW2 is posted below. Note that if you want, you may hand in the last question on HW1 with HW2 (since we haven't covered that yet), but probably easier for you to hand in with HW1.
- Some good quality typed up lecture notes from 2011 on manifolds, Lyapunov, and centre manifold (also posted below)
[edit] Course Description
Analytical methods for the formulation and solution of initial value problems for ordinary differential equations. Basics in topics in dynamical systems in Euclidean space, including equilibria, stability, phase diagrams, Lyapunov functions, periodic solutions, Poincaré-Bendixon theory, Poincaré maps. Introduction to simple bifurcations, including Hopf bifurcations, invariant and center manifolds.
[edit] Lecture Schedule
| Date | Topic | Reading | Homework |
| 4 Jan 6 Jan 8 Jan |
Linear Differential Equations L1-1 Lecture notes
|
Perko, 1.1-1.10 |
hw1-wi16.pdf Due: 13 Jan (Wed) |
| 11 Jan 13 Jan 15 Jan |
Nonlinear differential equations
|
Perko, 2.1-2.6 | hw2-wi16.pdf Due: 20 Jan (Wed) |
| 20 Jan* 2 hrs 22 Jan |
Chaos, fractals, and global analysis using SOStools
|
||
| 25 Jan (2 hrs) Jan 29 |
Behavior of differential equations L4
|
Perko, 2.7-2.10 | hw3-wi16.pdf Due: 3 Feb (Wed) |
| 1 Feb* 3 Feb* 5 Feb* |
Non-hyperbolic differential equations L5 2013 notes
|
Perko, 2.11-2.13 | hw4-wi16.pdf Due: 10 Feb (Wed) |
| 8 Feb 10 Feb 12 Feb |
Global behavior
|
Perko, 3.1-3.3 | hw5-wi16.pdf Due: 17 Feb (Wed) |
| 17 Feb 19 Feb |
Limit cycles
|
Perko, 3.4-3.5, 3.7, 3.9 | hw6-wi16.pdf Due: 24 Feb (Wed) |
| 22 Feb 2 hrs 26 Feb |
Bifurcations
|
Perko 4.1-4.2 |
hw7-wi16.pdf Due: 31 Feb (Wed) |
| 29 Feb* 2 Mar* 4 Mar* |
Bifurcations
|
Perko 4.3-4.5 + notes | hw8-wi16.pdf Due: 38 Feb (Wed) |
| 7*, 9* Mar |
Course review | Final exam Due: 18 Mar (Wed). Pick up from Nikki Fountleroy, 107 Steele Lab |
[edit] Textbook
The primary text for the course (available via the online bookstore) is
| [Perko] | L. Perko, Differential Equations and Dynamical Systems, Third Edition. Springer, 2006. |
The following additional texts may be useful for some students:
| [G&H] | J. Guckenheimer and P. Holmes, Nonlinear oscillations, dynamical systems, and bifurcations of vector fields. Springer-Verlag, 1990. |
| [H&S] | M. Hirsch and S. Smale, Differential Equations, Dynamical Systems, and Linear Algebra. Springer-Verlag, 1990. |
| [J&S] | D. Jordan and P. Smith, Nonlinear Ordinary Differential Equations: An Introduction for Scientists and Engineers, Fourth Edition. Oxford University Press, 2007. (On reserve in SFL) |
| [Ver] | F. Verhulst, Nonlinear Differential Equations and Dynamical Systems, Second Edition. Springer, 2006. (On reserve in SFL) |
[edit] Grading
The final grade will be based on homework and a final exam:
- Homework (75%) - There will be 9 one-week problem sets, due in class approximately one week after they are assigned. Late homework will not be accepted without prior permission from the instructor.
- Final exam (25%) - The final will be handed out the last day of class and is due back by 9am on Wednesday, March 16. Open book, 3 hour time limit in one sitting.
The lowest homework score you receive will be dropped in computing your homework average. In addition, if your score on the final is higher than the weighted average of your homework and final, your final will be used to determine your course grade.
[edit] Collaboration Policy
Collaboration on homework assignments is encouraged. You may consult outside reference materials, other students, the TA, or the instructor. Use of solutions from previous years in the course or from other external sources is not allowed. All solutions that are handed should reflect your understanding of the subject matter at the time of writing.
You can use MATLAB, Mathematica or a similar programs, but you must show the steps that would be required to obtain your answers by hand (to make sure you understand the techniques).
No collaboration is allowed on the final exam. You will also not be allowed to use computers, but the problems should be such that extensive computation is not required.
