List questions from eigenfunctions

Published on 23 Jul 2013 - 0:26

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Completeness of eigenfunctions of higher order differential equation

Published on 01 Aug 2013 - 15:07

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Arbitrarily using Sin and Cos as eigenfunctions of a Hamiltonian?

Published on 13 Aug 2013 - 12:34

236

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Simplest Schrödinger equation with both continuous and residual spectrum

Published on 16 Aug 2013 - 20:43

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Given two eigenfunctions and eigenvalues determine existence of eigenvalues between them

Published on 19 Aug 2013 - 21:48

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What can be said about the eigenvalues of the Laplace operator in $H^k(\mathbb{T}^2)$

Published on 28 Aug 2013 - 13:49

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What are the real world uses of Eigenbasis

Published on 19 Sep 2013 - 3:34

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Can we construct Sturm Liouville problems from an orthogonal basis of functions?

Published on 04 Nov 2013 - 12:19

408

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Eigenfunction expansion

Published on 10 Nov 2013 - 1:37

120

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Eigenfunction Expansion for Simple Nonhomogenous PDE

Published on 14 Nov 2013 - 15:59

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Poisson Equation in a Rectangle

Published on 17 Nov 2013 - 0:18

165

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I don't understand this PDE solution involving Fourier coefficients and orthonormal eigenfunctions.

Published on 29 Nov 2013 - 2:24

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How to find the eigenvalue and eigenfunction of Laplacian?

Published on 26 Mar 2026 - 18:56

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Proof that Legendre Polynomials are Complete

Published on 27 Mar 2026 - 8:38

152

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Regular Sturm-Liouville Boundary Value Problem

Published on 08 Dec 2013 - 18:23

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Eigenvalues of a second derivative

Completeness of eigenfunctions of higher order differential equation

Arbitrarily using Sin and Cos as eigenfunctions of a Hamiltonian?

Simplest Schrödinger equation with both continuous and residual spectrum

Given two eigenfunctions and eigenvalues determine existence of eigenvalues between them

What can be said about the eigenvalues of the Laplace operator in $H^k(\mathbb{T}^2)$

What are the real world uses of Eigenbasis

Can we construct Sturm Liouville problems from an orthogonal basis of functions?

Eigenfunction expansion

Eigenfunction Expansion for Simple Nonhomogenous PDE

Poisson Equation in a Rectangle

I don't understand this PDE solution involving Fourier coefficients and orthonormal eigenfunctions.

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Proof that Legendre Polynomials are Complete

Regular Sturm-Liouville Boundary Value Problem

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