Perturbative Methods for Modelling (M2)

• Forum News from the teacher
• Forum Discussion forum

Ordinary Differential Equations

• Workshop Variation of parameters
• Workshop Green function

Difference Equation

• Workshop Gamma function

Approximate Solution of Linear Differential Equations

• Workshop Singular points
• Workshop Airy functions
• Workshop Frobenius method
• Workshop Irregular singular points
• Workshop Bessel functions

Approximate Solution of Nonlinear Differentiale Equations

• Workshop Critical points

Asymptotic Expansion of Integrals

• Workshop Watson's lemma
• Workshop Laplace's method
• Workshop Path deformation
• Workshop Steepest descent method
• Workshop Stationnary phase method

Perturbation Series

• Workshop Perturbation of an eigenvalue problem

Boundary Layer Theory

• Workshop Boundary layer

WKB Theory

• Workshop Schrödinger equation
• Workshop Sturm-Liouville problem
• Workshop Airy equation
• Workshop Turning point

Multi-Scale Analysis

• Workshop Periodic solutions
• Workshop Mathieu equation