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![](/common/images/spacer.gif) Perturbation Theory Package 1.01
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Organization: | Nordfors Creative AB |
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![](/common/images/spacer.gif) 0205-344
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![](/common/images/spacer.gif) 1999-08-02
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![](/common/images/spacer.gif) 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.
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![](/common/images/spacer.gif) Applied Math, Physics, Chemistry, Rayleigh-Schroedinger perturbation theory, Rayleigh Schroedinger perturbation theory, hamiltonian formalism, eigenvectors, eigenvalues, linear algebra, matrix hamiltonian
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| PerturbationTheory.m (3.7 KB) - Mathematica package | | PerturbationTheoryUpdated.m (3.9 KB) - Mathematica package updated with suggestions from Dan Roythorne. | ![](/common/images/spacer.gif) Files specific to Mathematica 2.2 version:
![](/common/images/spacer.gif) | | PerturbationTheory.m (3.6 KB) - Mathematica package |
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