List questions from perturbation-theory

Published on 20 Nov 2019 - 16:28

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Why can't all differential equations be solved perturbatively?

Published on 21 Nov 2019 - 17:08

37

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Approximation scheme for integrating small differentials?

Published on 25 Mar 2026 - 14:19

54

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Approximating a function which has small derivatives

Published on 22 Nov 2019 - 0:20

198

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Matched Asymptotic Expansion- Boundary Layer Problem

Published on 26 Nov 2019 - 10:02

472

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Meaning of power series expansion in perturbation theory

Published on 01 Dec 2019 - 22:53

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Solution of non-homogeneous ODE is always bounded

Published on 06 Dec 2019 - 1:18

32

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Problem in defining the initial conditions for asymtotic expansion (Heat Equation)

Published on 08 Dec 2019 - 10:47

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Power series expansion of perturbed matrix inverse

Published on 13 Dec 2019 - 1:16

1.6k

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Deriving the linear wave equation from Navier-Stokes, where am I going wrong? Missing a factor.

Published on 29 Dec 2019 - 20:46

903

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Method of multiple scales on Mathieu's equation

Published on 04 Jan 2020 - 13:55

45

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Perturbative solution of $\frac{d^2\varphi}{d\xi^2}=\sin \varphi$

Published on 04 Jan 2020 - 14:47

159

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Solving coupled differential equation via perturbation method

Published on 12 Jan 2020 - 16:33

97

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Under what conditions is a polynomial root perturbation problem singular?

Published on 14 Jan 2020 - 4:45

42

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Solve the Following Non-Linear Differential Equation

Published on 17 Jan 2020 - 14:32

List Question

Smallest eigenvalue of sum of two unbounded operators

Why can't all differential equations be solved perturbatively?

Approximation scheme for integrating small differentials?

Approximating a function which has small derivatives

Matched Asymptotic Expansion- Boundary Layer Problem

Meaning of power series expansion in perturbation theory

Solution of non-homogeneous ODE is always bounded

Problem in defining the initial conditions for asymtotic expansion (Heat Equation)

Power series expansion of perturbed matrix inverse

Deriving the linear wave equation from Navier-Stokes, where am I going wrong? Missing a factor.

Method of multiple scales on Mathieu's equation

Perturbative solution of $\frac{d^2\varphi}{d\xi^2}=\sin \varphi$

Solving coupled differential equation via perturbation method

Under what conditions is a polynomial root perturbation problem singular?

Solve the Following Non-Linear Differential Equation

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