Computer Physics Communications Program LibraryPrograms in Physics & Physical Chemistry |

[Licence| Download | New Version Template] adlm_v1_0.tar.gz(173 Kbytes) | ||
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Manuscript Title: The Riegeom package: abstract tensor calculation. | ||

Authors: R. Portugal | ||

Program title: Riegeom | ||

Catalogue identifier: ADLM_v1_0Distribution format: tar.gz | ||

Journal reference: Comput. Phys. Commun. 126(2000)261 | ||

Programming language: Maple V Release 4 or 5. | ||

Computer: Pentium II, 400 MHz. | ||

Operating system: Windows98, Unix. | ||

Word size: 32 | ||

Keywords: Tensor, Riemannian geometry, Abstract calculation, General relativity, Symmetry, Maple, Computer algebra, Astrophysics, Gravitational systems. | ||

Classification: 1.5, 5. | ||

Nature of problem:Simplification of tensor expressions and tensor manipulation in the indicial format. Useful for calculations in General Relativity and Riemannian Geometry. | ||

Solution method:Canonical form for tensor expressions and fast algorithms for tensor simplification. | ||

Restrictions:Computer memory. | ||

Running time:The timing for finding the canonical form of a Riemann tensor monomial of degree 4 is around 1 second in a Pentium II, 400 Mhz running Windows98. |

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