Course Webpage Differential Equations MATH 222, Spring Semester 2016 Course Coordinator: Prof. Y.-N. Young

Course Description:

Course description: A pdf for course syllabus

More Matlab tools from Peter Petropoulos:

Note that if Matlab2015a does not work, please use Matlab2014b.

• dfield8.m (for MATLAB 2014 version) to create direction field for 1st order ODE

• dfield8.m (for MATLAB 2015 version) to creat direction field for 1st order ODE

• dfield.jar (Jarva code) to create direction field for 1st order ODE

• odesolve.m to solve ode's

• pplane8.m to create direction field for higher order ODE

• pplane.jar (Jarva code) to create direction field for higher order ODE

• dfield.pdf a tutorial to use dfield8.m

• For more details on the Java versions of dfield and pplane, go to this web page

1st MATLAB assignment, due in class during the week of February 22:

• Here is a pdf of the 1st Matlab assignment

Solutions to 1st MATLAB assignment:

• main MATLAB code
• function for right hand side
• Problem 1(a)
• Problem 2, y0 = 0.5
• Problem 2, y0 = 1.0

Video tutorial for using dfield8.m:

• A pdf for the example in the video tutorial

• A video tutorial (mov file) for dfield8.m

Questions? Email Yuan N. Young at yyoung@njit.edu

Assigned Homework

• First homework problem set, due in class in the week of Jan 29, 2016

• Second homework problem set, due in class in the week of Feb 5, 2016

• Third homework problem set, due in class in the week of Feb 12, 2016

• Fourth homework problem set, due in class in the week of Feb 19, 2016

• Fifth homework problem set, due in class in the week of March 4th, 2016

• Sixth homework problem set, due in class in the week of March 11th, 2016

• Seventh homework (Chapter 5)

• Eigth homework (Chapter 6)

• Ninth homework (Chapter 7)

• Tenth homework (Chapter 10)

Weekly Quiz

• Quiz 1 MATH222-004, MATH222-006,

• Quiz 2 MATH222-004, MATH222-006,

• Quiz 3 MATH222-004, MATH222-006,

• Quiz in the week of Feb 29 MATH222-006

• Quiz on March 7 MATH222-006

• Quiz on April 8 MATH222-006

Final Exam on May 6th!!!

• Linear system of first order differential equation (2 by 2)
• Fourier series of a periodic function
• Boundary value problem, eigenvalues and eigenfunctions
• First order IVP, including mixing problems (there will be a modeling problem on mixing)
• Second order linear differential equation with constant coefficients, reduction of order
• Second order linear nonhomogeneous differential equation
• Power series solution
• Laplace transform in solving linear second order nonhomogeneous IVP

Materials For Exam Preparations

• Grading guidelines for Exam 1, Feb 2016
• Grading guidelines for Exam 2, Mar 2016
• Grading guidelines for Exam 3, April 2016
• Exam 2 from March 2014
• Exam 2 from October 2015
• Exam 3 from April 2014
• Exam 3 from November 2015
• more Exam from 2012 and 2015
• Final Exam Dec 2015, Solutions to Final Exam Dec 2015
• Solutions for Final Exam Dec 2007 from Hatim Nomani
• Solutions for Final Exam May 2005 from Ramon Salvador
• Solutions for Final Exam Dec 2004 from Vincent Porcelli