Math 123 (Spring 2016)

This website will contain all course material for the Spring 2016 section of “Math 123: Differential Equations and Linear Algebra” as taught by Matthew D. Johnston at San Jose State University.

Course News:

  • 01/28: Welcome to the course!

Green sheet:

Lectures:

  • MW 1:30-2:45 p.m., location: Sci 164

Instructor Office Hours:

  • Mondays: 3:30-5:00 p.m.
  • Tuesdays: 12:00-1:30 p.m.
  • Wednesdays: 9:00-10:30 a.m.
  • By appointment or on Piazza

Textbook:

  • G. Peterson and J. Sochacki, Linear Algebra and Differential Equations, Addison-Wesley, 2002. (suggested)

Grade Breakdown:

  • WebAssign Homework: 20%
  • Term Tests: 20% (x two)
  • Final Exam: 40%

Piazza Course Discussion:

Computer Code:

WebAssign Homework:

Term Tests:

Final Exam

  • May 18, 12:15 – 2:30 p.m., Room: Sci 164
  • Sample final 1solutions – errata (exceptions: #1(c), #3(c); use c=12 for #7)
  • Sample final 2 – answer key (exceptions: #3(c); use c=20 for #7)
  • WebAssign Study Problems (TT1, TT2, FE may be completed for 1% bonus credit each)

Lectures (click link for lecture notes)

  • Week 1 (Feb. 1 & 3) (Linear System Equations, Gaussian Elimination)
  • Week 2 (Feb. 8 & 10)  (Matrix operations, Inverses)
  • Week 3 (Feb. 15 & 17) (Determinants, Cramer’s Rule, Adjugate)
  • Week 4 (Feb. 22 & 24) (Vector Spaces, Spanning Sets)
  • Week 5 (Feb. 29 & March 2) (Linear Independence, Basis)
  • Week 6 (March 7 & 9) (Real and Complex Eigenvalues/vectors)
  • Week 7 (March 14 & 16) (Generalized Eigenvectors, 3D)
  • Week 8 (March 21 & 23) (Differential Equations, Slope Fields, Solutions)
  • Spring Break! (March 28 – April 1)
  • Week 9 (April 4 & 6) (Separable, First Order Linear, Substitution Methods)
  • Week 10 (April 11 & 13) (Applications, Second Order Systems)
  • Week 11 (April 18 & April 20) (Method of Undetermined Coefficients)
  • Week 12 (April 25 & 27) (Harmonic Motion, Resonance)
  • Week 13 (May 2 & 4) (Laplace Transforms, Discontinuous Forcing) (partial fraction review)
  • Week 14 (May 9 & 11) (Linear Systems of DEs)
  • Week 15 (May 16) Final Exam Review!