Eigenfunctions

Eigenvalues and Eigenvectors

Eigenvalue Equation

Karhunen–loève Theorem

Laplace Operator

Mercer's Theorem

Order Perturbation Theory

Particle in A Spherically Symmetric Potential

Position and Momentum Space

Wave Function

Zonal Spherical Function

Continuous

Definite

Differential

Distributions

Laplacian

Mercer

Prior

Set

Solution

Symmetric