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Perturbation Theory Package 1.01
Author

David Nordfors
Organization: Nordfors Creative AB
URL: http://www.nordfors.com
Old MathSource #

0205-344
Revision date

1999-08-02
Description

The package provides routines for first- and second-order Rayleigh-Schroedinger perturbation theory in a matrix hamiltonian formalism, i.e., first and second order corrections to eigenvalues and eigenvectors of a matrix when a small perturbation is added to the matrix.
Subject

*Science > Physics > Quantum Physics
Keywords

Applied Math, Physics, Chemistry, Rayleigh-Schroedinger perturbation theory, Rayleigh Schroedinger perturbation theory, hamiltonian formalism, eigenvectors, eigenvalues, linear algebra, matrix hamiltonian
Downloads Download Wolfram CDF Player

Download
PerturbationTheory.m (3.7 KB) - Mathematica package
Download
PerturbationTheoryUpdated.m (3.9 KB) - Mathematica package updated with suggestions from Dan Roythorne.

Files specific to Mathematica 2.2 version:
Download
PerturbationTheory.m (3.6 KB) - Mathematica package