Math 215/255, Sections 102+103, September-December 2017

Fall 2017: Math 215/255, Sections 102+103: Differential Equations

http://www.math.ubc.ca/~coombs/215/sections102103.html
Instructor: Dr. Daniel Coombs.
Office hours: Mathematics Annex, Room 1109. Tuesday 10.30-11.30, Wednesday 11-12 and by appointment. I will also usually be available right after class for quick questions.
Math department tutoring centre is located in LSK 301/302.

Email: coombs (at) math (dot) ubc (dot) ca
Office phone: 604-822-2859



  • Clickers will be used in this section. Everyone needs to get a clicker (available from the bookstore).

  • Link to common class webpage for homework assignments, important dates, grading info, etc.

    Section notes

  • will be posted here
  • Notes from Sept 6 (9am section 102).
  • Notes from Sept 6 (1pm section 103).
  • Matlab file for SIR model with a needed subsidiary file. You can open these in Matlab or Octave and see what they produce.
  • Notes from Sept 8 (9am section 102).
  • Notes from Sept 8 (1pm section 103).
  • Notes from Sept 11 (9am section 102).
  • Notes from Sept 11 (1pm section 103).
  • Notes from Sept 13 (9am section 102).
  • Notes from Sept 13 (1pm section 103).
  • Notes from Sept 15 (both sections).
  • Notes from Sept 18 (9am section 102).
  • Notes from Sept 18 (1pm section 103).
  • Notes from Sept 20 (9am section 102).
  • Notes from Sept 20 (1pm section 103).
  • Notes from Sept 22 (9am section 102).
  • Notes from Sept 22 (1pm section 103).
  • Excel spreadsheet from class for Euler's method.
  • Notes from Sept 25 (both sections).
  • Notes from Sept 27 (9am section 102).
  • Notes from Sept 27 (1pm section 103).
  • Notes from Sept 29 (9am section 102).
  • Notes from Sept 29 (1pm section 103).
  • Notes from Oct 2 (9am section 102).
  • Notes from Oct 2 (1pm section 103).
  • Notes from Oct 4 (9am section 102).
  • Notes from Oct 4 (1pm section 103).
  • Notes from Oct 6 (9am section 102).
  • Notes from Oct 6 (1pm section 103).
  • Notes from Oct 11 (9am section 102).
  • Notes from Oct 11 (1pm section 103).
  • Approximate Notes from Oct 13 (both sections).
  • Notes from Oct 16 (9am section 102).
  • Notes from Oct 16 (1pm section 103).
  • Notes from Oct 20 (9am section 102).
  • Notes from Oct 20 (1pm section 103).
  • Notes from Oct 23 (9am section 102).
  • Notes from Oct 23 (1pm section 103).
  • Notes from Oct 25 (9am section 102).
  • Notes from Oct 25 (1pm section 103).
  • Notes from Oct 27 (9am section 102).
  • Notes from Oct 27 (1pm section 103).
  • Notes from Oct 30 (9am section 102).
  • Notes from Oct 30 (1pm section 103).
  • Notes from Nov 1 (9am section 102).
  • Notes from Nov 1 (1pm section 103).
  • Notes from Nov 3 (9am section 102).
  • Notes from Nov 3 (1pm section 103).
  • Notes from Nov 6 (both sections).
  • Matlab file from Nov 6 for plotting vector field and some solutions from the competing species model (both sections).
  • Notes from Nov 8 (both sections).
  • Notes from Nov 10 (both sections).
  • Notes from Nov 17 (both sections).
  • Matlab file from Nov 17 for plotting vector field and some solutions from the disease model (both sections).
  • Notes from Nov 20 (both sections).
  • Notes from Nov 22 (both sections).
  • Notes from Nov 24 (both sections). A few errors from morning section are corrected in this version.
  • Notes from Nov 27 (both sections).
  • Notes from Nov 29 (9am section 102).
  • Notes from Nov 29 (1pm section 103).
  • Notes from Dec 1 (both sections).
    Daniel Coombs / Department of Mathematics / University of British Columbia