CME 102 - Ordinary Differential Equations for Engineers

My twin brother Afshine and I created this set of cheatsheets when I was a TA for Stanford's CME 102 class in Spring 2018. They can (hopefully!) be useful to all future students taking this course as well as to anyone else interested in learning the fundamentals of Ordinary Differential Equations.

Cheatsheets

First-order ODEs
First-order ODEs
  • Direction field method, separation of variables, equilibrium
  • Linear first-order technique, system of linear ODEs
  • Existence and uniqueness, initial value numerical methods
PDF Web
Second-order ODEs
Second-order ODEs
  • General methods of resolution, standard form, linear dependency
  • Linear homogeneous: variable coefficients, constant coefficients
  • Linear inhomogeneous: variable coefficients, constant coefficients
PDF Web
Applications
Applications
  • Gravitational, spring, friction forces, Newton's second law
  • Spring-mass system: free and forced oscillation
  • Boundary value problems: direct and shooting methods
PDF Web

Refreshers

Linear Algebra
Linear Algebra
  • Vector, matrix and general operations
  • Characteristic equation, determinant, eigenvector/eigenvalue
  • Partial fractions and main formulas
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Calculus
Calculus
  • Primitive function and formulas
  • Integration by parts
  • Laplace transform, common pairs and main operations
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Trigonometry
Trigonometry
  • Trigonometric functions and their inverse
  • Trigonometric identities
  • Euler's formula, Kashani theorem and law of sines
PDF Web

Tools

Getting started
Getting started
  • Installation and first steps
  • Built-in functions, vectors, matrices, operators
  • Functions, plots and good practices
Web

Would you like to see this set of cheatsheets in your native language? You can help us translating them on GitHub!