Engineering Differential Equations MATH.2360-201

Spring 2019

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 MATLAB session on graphing
1/23 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 2/1)
1/25 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 2/1)
1/28 Integrals as general and particular solutions 1.2 p. 15 # 1, 5, 7, 8, 13, 25, 26, 31, 35 (Due 2/4)
1/29 MATLAB session on Symbolic Utilities
1/30 Class canceled because of snow
2/1 Separable equations and applications 1.4 p. 40 # 1,7,10,13,19,23,26,33,37,40,43 (Due 2/8)
2/4 Add/Drop period ends
Separable equations and applications
1.4 p. 40 # 1,7,10,13,19,23,26,33,37,40,43 (Due 2/8)
2/5 MATLAB session on the take-home part of Exam 1 (Due 2/15)
2/6 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 2/15)
2/8 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 2/15)
2/11 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 2/22)
2/12 MATLAB sesssion on numerical methods 2.4
2.6
Problem on class handout (Due 2/25)
Problem on class handout (Due 2/25)
2/13 Exam #1 on sections 1.1, 1.2, 1.4, 1.5
2/15 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 2/22)
2/18 President's Day - University closed
2/19 Monday class schedule
Exact equations
Euler's Method

1.6
2.4

p. 69 # 2, 9, 10, 31, 35; p. 74 # 3, 7, 17. Please turn in both parts of this assignment together. (Due 2/22)
Problem on class handout (Due 2/25)
2/20 Euler's Method
Runge-Kutta Method
2.4
2.6
Problem on class handout (Due 2/25)
Problem on class handout (Due 2/25)
2/22 Slope fields and solution curves 1.3 p. 24 # 1, 2, 7. Use the MATLAB script dirfield.m (Due 3/1)
2/25 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 3/18)
2/26 MATLAB session on slope fields 1.3 p. 24 # 1, 2, 7. Use the MATLAB script dirfield.m (Due 3/1)
2/27 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 3/18)
3/1 Acceleration-velocity models 2.3 p. 100 # 1, 2, 3, 7, 12. (Due 3/20)
3/4 University closed because of snow
3/5 MATLAB session on take-home part of Exam 2 (Due 3/20)
3/6 Version 1 of Exam #2 on sections 1.6, 2.1, 2.2, 2.3
3/8 Version 2 of Exam #2 on sections 1.6, 2.1, 2.2, 2.3
3/11 Spring Break
3/12 Spring Break
3/13 Spring Break
3/15 Spring Break
3/18 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 3/25)
3/19 MATLAB session on additional graphing commands Optional, for extra homework credit. (Due 3/29)
3/20 Homogeneous equations with constant coefficients 3.3 p. 170 # 1-15 odd, 25, 27, 29. (Due 3/27)
3/21 334th anniversary of the birth of J. S. Bach
3/22 Project reports due
Nonhomogeneous equations
3.5 p. 195 # 1, 3, 7, 9, 24, 27, 47, 52, 58. (Due 4/1)
3/25 Advising for fall term starts
Nonhomogeneous equations
3.5 p. 195 # 1, 3, 7, 9, 24, 27, 47, 52, 58. (Due 4/1)
3/26 MATLAB session on phase planes Optional, for extra homework credit. (Due 4/5)
3/27 Nonhomogeneous equations 3.5 p. 195 # 1, 3, 7, 9, 24, 27, 47, 52, 58. (Due 4/1)
3/29 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 4/5)
4/1 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 4/5)
4/2 MATLAB session on numerical methods for systems 4.3 Problem on class handout (Due 4/19)
4/3 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 4/8)
4/5 Electrical circuits 3.7 p. 215 # 7, 11, 17, 23. (Due 4/17)
4/8 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 4/19)
4/9 Last day to drop a course
MATLAB session on take-home part of Exam 3. (Due 4/19)
4/10 4.1
4.3
First-order systems and applications
Numerical methods for systems
p. 235 # 1, 9, 11, 17, 24, 30, 32. Do not draw dir field or curves for #17 or 24. (Due 4/19)
Problem on class handout (Due 4/19)
4/12 Exam #3 on sections 3.1 - 3.7
4/15 Patriots Day - University closed
4/16 Optional MATLAB session on Laplace transforms
4/17 Laplace transforms 7.1 p. 445 # 1, 7, 11-15 odd, 23-31 odd. (Due 4/24)
4/19 Monday class schedule
Optional project revisions due

Laplace transforms
7.1 p. 445 # 1, 7, 11-15 odd, 23-31 odd. (Due 4/24)
4/22 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 4/26)
4/23 No MATLAB session
4/24 Transformation of initial value problems 7.2 p. 456 # 1, 3, 5, 7, 9, 10. (Due 4/29)
4/26 Convolution 7.4 p. 473 # 1, 6, 7, 8, 37. (Optional assignment. Due 5/3 - no grace period.)
4/29 Periodic and piecewise continuous input functions
Impulses and delta functions
7.5
7.6
p. 482 # 1, 5, 9, 13, 17, 33. Do not draw graphs. (Optional assignment. Due 5/3 - no grace period.)
p. 492 # 1, 7, 15. Do not draw graphs. (Optional assignment. Due 5/3 - no grace period.)
4/30 No MATLAB session
5/1 Review for final exam
5/3 Review for final exam



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Last Updated: April 26, 2019