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Math 53
Winter 2026

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The class meets for lecture on Monday, Wednesday, and Friday. This schedule contains the material covered in each lecture. It is generally one chapter per lecture. This schedule is tentative, and may be adjusted as necessary.

Week Date Chapters Topics Homework assignment
1 1/5 - 1/9 1, 2, 3 Intro to ODE's, first order ODE's, dynamic perspective
Homework 1 (due 1/14)
2 1/12 - 1/16 4, 5, 6 Phase lines, complex numbers, second order linear ODEs
Homework 2 (due 1/21)
3 1/19 - 1/23 7, 8

Linear ODE systems, eigenvalues

Homework 3 (due 1/28)
4 1/26 - 1/30 9, 10, 11

2D linear ODE systems, inhomogeneous first and second order linear ODE's

Homework 4 (due 2/4)
5 2/2 - 2/6 12, 13, 14

Chaos, nonlinear ODE systems, linearization, monotonic quantities

Homework 5 (due 2/11)
6 2/9 - 2/13 15, 16, 17

Power series methods, numerical methods, stiff ODE's

Homework 6 (due 2/18)
7 2/16 - 2/20 18, 19

Intro to PDE's, separation of variables: heat equation

Homework 7 (due 2/25)
8 2/23 - 2/27 20, 21, 22

Fourier series: periodic functions, solving PDE's: separation of variables and Fourier series

Homework 8 (due 3/4)
9 3/2 - 3/6 23, 24, 25

Exponential Fourier series, transform perspective, Fourier transform, solving PDE's with Fourier transform

Homework 9 (due 3/11)
10 3/9 - 3/13 26, 27, Final review

Convolution and the wave equation on a line, applications of Fourier analysis (Chapter 27 not on final)

 

Winter 2026 -- Department of Mathematics, Stanford University
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