Classes April 2008

Thu Apr 17 Final Exam
Wed Apr 16 No class, but Office hour 3–4 PM EH 3096
Mon Apr 14 Review for the final
Fri Apr 11 Exercises on eigenvalues–eigenvectors (a glimpse on generalized eigenvectors)
Wed Apr 9 Section 7.6 (Complex eigenvalues)
Mon Apr 7 Section 7.4, 7.5 (Homogeneous linear systems with constant coefficients: eigenvalues–eigenvectors method)
Fri Apr 4 Section 7.3 (Linear systems of algebraic equations, linear dependence of vectors)
Wed Apr 2 Section 7.2 (Short review on matrices)

Classes March 2008

Mon Mar 31 Section 7.1 (Systems of first order linear ODEs: introduction, Existence and Uniqueness Theorems)
Fri Mar 28 Section 6.6 (The transfer function and integro-differential equations – cf. also ex #21 trhough #28 pg 352)
Wed Mar 26 Second Midterm
Mon Mar 24 Review for the Midterm
Fri Mar 21 Section 6.6 (Convolution and solutions of a second-order non-homogeneous ODE w/ constant coefficients)
Wed Mar 19 Sections 6.3–6.4 (Mechanical systems with discontinuous external force; step-function, translation on the t–axis)
Mon Mar 17 Thm 6.3.2 + ex # 28 Section 6.2 (Translation on the s–axis, derivative of the Laplace transform, solutions of non-constant coefficients ODEs)
Fri Mar 14 Section 6.2 (Examples of Laplace transforms, and solution of initial-value problems)
Wed Mar 12 Section 6.1 (Laplace transform: definition, existence, linearity and some examples)
Mon Mar 10 Section 5.6 (Series solutions near a regular singular point – Frobenius' method)
Fri Mar 7 Section 5.5 (Solution of the Euler's equations)
Wed Mar 5 Section 5.4 (Regular singular points and Euler's equations)
Mon Mar 3 Section 5.3 (Fuchs' Thm, isolated singularities, poles of an analytic function, Laurent series)

Classes February 2008

Fri Feb 22 Section 5.3 (Series solutions: the Hermite equation)
Wed Feb 20 Section 5.2 (Series solutions near an ordinary point – case of constant coefficients)
Mon Feb 18 Section 5.1 (Review of Power Series, radius of convergence, Taylor series)
Fri Feb 15 Sections 4.2, 4.3 (Higher order ODEs: constant coefficients, method of undetermined coefficients)
Wed Feb 13 First Midterm
Mon Feb 11 Review for the Midterm
Fri Feb 8 Section 3.7 (method of variation of parameters)
Wed Feb 6 Section 3.6 (non-homogeneous case: method of undetermined coefficients)
Mon Feb 4 Section 3.4 (case of a characteristic polynomial with complex roots and a glance at non-homogeneous linear ODE)
Fri Feb 1 Section 3.5 with a glance at 3.4 (method of reduction of order and short review on Complex Numbers)

Classes January 2008

Wed Jan 30 Section 3.1 (Homogeneous ODE with constant coefficients – order 2 so far...)
Mon Jan 28 Section 3.3 (Linear dependence and Wronskians)
Fri Jan 25 Sections 3.2 and 3.3 (Wronskian and Abel's theorem)
Wed Jan 23 Section 3.2 with a glance at 4.1 (linear ODE of order n: existence and uniqueness theorem, principle of superposition for homogeneous linear ODE)
Mon Jan 21 Martin Luther King Day (neither class, nor office hour)
Fri Jan 18 Section 2.5 (isoclines and stable equilibria)
Wed Jan 16 Section 1.1 and some 2.5 (direction fields and autonomous ODE)
Mon Jan 14 Section 2.6 (exact ODE)
Fri Jan 11 Section 2.4 (existence and uniqueness theorem for first order ODE – proof of the linear case and statement for the non-linear one)
Wed Jan 9 Section 2.1 and some of 2.4 (method of integratng factor, theorem of existence and uniqueness of solutions for first order linear ODE)
Mon Jan 7 Section 2.2 (separable ODE)
Fri Jan 4 Sections 1.2–1.3 (notation and some examples)