Engineering Differential Equations MATH.2360-201

Spring 2018

Schedule



Here are the homework assignments if you are using the 3rd edition of the textbook.

Here are the homework assignments if you are using the 4th edition of the textbook.



Date Topic Text Section Assignment
1/22 Differential equations and mathematical models 1.1 p. 8 # 1, 4, 5, 10, 17, 20, 23, 34, 35 (No need to draw graphs for #17, 20, 23) (Due 1/29)
1/24 Differential equations and mathematical models 1.1 p. 8 # 1, 4, 5, 10, 17, 20, 23, 34, 35 (No need to draw graphs for #17, 20, 23) (Due 1/29)
1/25 MATLAB session on graphing
1/26 Integrals as general and particular solutions 1.2 p. 15 # 1, 5, 7, 8, 13, 25, 26, 31, 35 (Due 1/31)
1/29 Separable equations and applications 1.4 p. 40 # 1,7,10,13,19,23,26,33,37,40,43 (Due 2/5)
1/31 Separable equations and applications 1.4 p. 40 # 1,7,10,13,19,23,26,33,37,40,43 (Due 2/5)
2/1 MATLAB session on Symbolic Utilities
2/2 Add/Drop period ends
First-order linear equations
1.5 p. 53 # 1, 4, 9, 13, 15, 27, 34, 37; p. 74 # 1, 5, 13 Please turn in both parts of this assignment together. (Due 2/12)
2/5 First-order linear equations 1.5 p. 53 # 1, 4, 9, 13, 15, 27, 34, 37; p. 74 # 1, 5, 13 Please turn in both parts of this assignment together. (Due 2/12)
2/7 Homogeneous equations 1.6 p. 69 # 2, 9, 10, 31, 35; p. 74 # 3, 7, 17. Please turn in both parts of this assignment together. (Due 2/16)
2/8 Missed class because of weather
2/9 Exam #1 on sections 1.1, 1.2, 1.4, 1.5
2/12 Exact equations 1.6 p. 69 # 2, 9, 10, 31, 35; p. 74 # 3, 7, 17. Please turn in both parts of this assignment together. (Due 2/16)
2/14 Euler's Method 2.4 Problem on class handout (Due 2/21)
2/15 MATLAB sesssion on numerical methods 2.4
2.6
Problem on class handout (Due 2/21)
Problem on class handout (Due 2/21)
2/16 Runge-Kutta Method 2.6 Problem on class handout (Due 2/21)
2/19 President's Day - University closed
2/20 Monday class schedule
Slope fields and solution curves
1.3 p. 24 # 1, 2, 7. Use the MATLAB script dirfield.m (Due 2/23)
2/21 Equilibrium solutions and stability 2.2 p. 91 # 1, 3, 6, 8, 9, 11, 21. In 1-11 draw the phase line and solution curves separately. Do not solve for x(t). Instead, find lim x(t) assuming x(0)=1. (Due 2/26)
2/22 MATLAB session on slope fields 1.3 p. 24 # 1, 2, 7. Use the MATLAB script dirfield.m (Due 2/23)
2/23 Population models 2.1 p. 82 # 10, 11, 13, 21, 30. Hint for # 21: See equation (7) on p. 77. The units of P are millions of people. (Due 2/28)
2/26 Acceleration-velocity models 2.3 p. 100 # 1, 2, 3, 7, 12. (Due 3/2)
2/28 Introduction to second-order linear de's 3.1, 3.2 p. 147 # 3, 9, 33-41 odd; p. 159 # 21, 23. Please turn in both parts of this assignment together. (Due 3/19)
3/1 MATLAB session on additional graphing commands Optional, for extra homework credit. (Due 3/23)
3/2 Homogeneous equations with constant coefficients 3.3 p. 170 # 1-15 odd, 25, 27, 29. (Due 3/21)
3/5 Nonhomogeneous equations 3.5 p. 195 # 1, 3, 7, 9, 24, 27, 47, 52, 58. (Due 3/28)
3/7 Exam #2 on sections 1.3, 1.6, 2.1 - 2.3, 3.1, 3.2
3/8 University closed because of snow
3/9 University closed because of snow
3/12 Spring Break
3/14 Spring Break
3/15 Spring Break
3/16 Spring Break
3/19 Nonhomogeneous equations 3.5 p. 195 # 1, 3, 7, 9, 24, 27, 47, 52, 58. (Due 3/28)
3/21 Nonhomogeneous equations 3.5 p. 195 # 1, 3, 7, 9, 24, 27, 47, 52, 58. (Due 3/28)
3/22 MATLAB session on take-home part of Exam 2 (Due 3/30)
3/23 Mechanical vibrations 3.4 p. 181 # 1, 4, 15, 20, 34. For # 15 and 20 do not find u(t) and do not draw graphs. For #34 use the results of problems 32 and 33. (Due 3/30)
3/26 Project reports due
Mechanical vibrations
3.4 p. 181 # 1, 4, 15, 20, 34. For # 15 and 20 do not find u(t) and do not draw graphs. For #34 use the results of problems 32 and 33. (Due 3/30)
3/28 Forced oscillations and resonance 3.6 p. 206 # 1, 8, 11, 17, 19. Do not draw graphs for #1, 8, or 11. For # 17 see (21) on p. 219. (Due 4/9)
3/29 MATLAB session on numerical methods for systems 4.3 Problem on class handout (Due 4/11)
3/30 Electrical circuits 3.7 p. 215 # 7, 11, 17, 23. (Due 4/9)
4/2 Advising for fall term starts
First-order systems and applications
4.1 p. 235 # 1, 9, 11, 17, 24, 30, 32. Do not draw dir field or curves for #17 or 24. (Due 4/11)
4/4 First-order systems and applications 4.1 p. 235 # 1, 9, 11, 17, 24, 30, 32. Do not draw dir field or curves for #17 or 24. (Due 4/11)
4/5 MATLAB session on take-home part of Exam 3. (Due 4/13)
4/6 Exam #3 on sections 3.3 - 3.7
4/9 Last day to drop a course
Laplace transforms
7.1 p. 445 # 1, 7, 11-15 odd, 23-31 odd. (Due 4/18)
4/11 Laplace transforms 7.1 p. 445 # 1, 7, 11-15 odd, 23-31 odd. (Due 4/18)
4/12 Optional MATLAB session on Laplace transforms
4/13 Translation and partial fractions 7.3 p. 464 # 1-15 odd. Use any method you like to solve the problems - you need not follow the directions. (Due 4/23)
4/16 Patriots Day - University closed
4/18 Translation and partial fractions 7.3 p. 464 # 1-15 odd. Use any method you like to solve the problems - you need not follow the directions. (Due 4/23)
4/19 MATLAB session on phase planes Optional, for extra homework credit. (Due 4/27)
4/20 Optional project revisions due
Transformation of initial value problems
7.2 p. 456 # 1, 3, 5, 7, 9, 10. (Due 4/25)
4/23 Convolution 7.4 p. 473 # 1, 6, 7, 8, 37. (Optional assignment. Due 5/2 - no grace period.)
4/25 Periodic and piecewise continuous input functions 7.5 p. 482 # 1, 5, 9, 13, 17, 33. Do not draw graphs. (Optional assignment. Due 5/2 - no grace period.)
4/26 No MATLAB session
4/27 Impulses and delta functions 7.6 p. 492 # 1, 7, 15. Do not draw graphs. (Optional assignment. Due 5/2 - no grace period.)
4/30 Catch-up/Review
5/2 Catch-up/Review
5/3 No MATLAB session



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Last Updated: April 25, 2018