Class Diary for PHZ 3113

  Date         Notes
M 8/23 Administriva. Introduction. δij, εijk, Gaussian integral.
W 8/25 Approximation of integrals, Stirling's approximation for n!
Chapter 1. Sequences, series. Tests of convergence. Preliminary test. Comparison test.
F 8/27 Integral test. Euler's constant. Geometric series, ratio test. Alternating series.
M 8/30 Ratio comparison test. Power series. Geometric series. Radius of convergence.
W 9/1 Series for (1+x)p. Asymptotic behaviors, black-body radiation.
F 9/3 Multiplying, dividing series. Pressure-driven (harmonic) oscillator.
M 9/6 Labor Day (no class)
W 9/8 Chapter 4. Multi-variable differential calculus. Partial derivatives, changing variables.
F 9/10 Differentials, Legendre tranfsformation, cpcv, changing variables in wave equation
M 9/13 Implicit differentiation. Cyclic identity. Min/max with Lagrange multiplier.
W 9/15 Chapter 5. Multi-variable integral calculus. Changing variables: Jacobian determinant
F 9/17 Integrals along lines, curves (paths); surface areas
M 9/20 Death star area (Example 1, p.272). Perimeter of an ellipse.
W 9/22 Chapter 6. Vector derivatives and : gradient φ, divergence ∇·v, , curl ∇×v. Product derivatives: ∇·v) = (φ)·v + φ(∇·v) etc.
See Table of vector identities involving ∇, p.339.
F 9/24 Exam 1 (in class)
M 9/27 Vector second derivatives, ²φ, ²v, (∇·v). ∇×∇φ = 0, ∇·(∇×v) = 0. ²φ in cylindrical/spherical coordinates
W 9/29 Fundamental theorem of calculus leads to Green's Theorem.
F 10/1 Green's Theorem leads to Stokes's Theorem, Divergence Theorem
M 10/4 Divergence theorem and Gauss's Law: point charges and the Dirac δ-function.
W 10/6 Vector theorems and Maxwell's equations, equation of continuity, wave equation, gauge invariance
F 10/8 Chapter 2. Complex numbers. Euler's relation: eiθ = cosθ + i sinθ
M 10/11 Complex series.
W 10/13 Multiple solutions to fractional powers, inverse trig functions, logarithms of complex numbers. Damped harmonic oscillator, LRC circuit.
F 10/15 Homecoming (no class)
M 10/18 Chapter 14: Functions of complex variable. Analytic functions, Cauchy-Riemann relations, harmonic functions.
W 10/20 Cauchy's theorem, Cauchy's integral formula, Laurent series.
F 10/22 Applications of Cauchy integral formula. Cauchy principal value.
F 10/29 Exam 2 (in class)
M 11/1 Square matrices: Identity, determinant, inverse, transpose
M 11/8 Self-adjoint matrices have real eigenvalues, orthogonal eigenvectors. Unitary matrices, unitary transformations, eigenvector basis. detM = ∏λi. TrM = ∑λi.
W 11/10 det(exp(M)) = exp(TrM). Modes of coupled springs.
F 11/12 Functions as linear vector space, derivatives as linear operators. Schwarz inequality. Uncertainty principle.
M 11/15 Periodic functions, einx as basis of orthogonal eigenvectors.
W 11/17 Fourier cos/sin series. Triangle wave, square wave, overshoot. Convergence, Dirichlet conditions.
F 11/19 Fourier exponential series. Square wave again. Parseval's theorem. ∑1/n²
M 11/22 Arbitrary interval: cos/sin(nπx/L). Fourier transform.
F 11/26 Thanksgiving (no class)
W 12/8 Exam 3 (in class)