Evaluation of multipole integrals and the exponent range problem

J. R. Comfort

doi:10.1016/0010-4655(82)90018-2

Evaluation of multipole integrals and the exponent range problem

J. R. Comfort

CLAS-NS: Physics

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Calculations with two-body interactions are usually accomplished by the use of multipole expansions. For many interactions of physical interest, the terms in the expansions are expressible by use of simple functions which, however, may exceed the numerical range of many computers at large or small coordinates. Various techniques are described which can substantially reduce or eliminate such difficulties with little or no loss in program efficiency.

Original language	English (US)
Pages (from-to)	217-222
Number of pages	6
Journal	Computer Physics Communications
Volume	25
Issue number	3
DOIs	https://doi.org/10.1016/0010-4655(82)90018-2
State	Published - Mar 1982

ASJC Scopus subject areas

Hardware and Architecture
Physics and Astronomy(all)

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abstract = "Calculations with two-body interactions are usually accomplished by the use of multipole expansions. For many interactions of physical interest, the terms in the expansions are expressible by use of simple functions which, however, may exceed the numerical range of many computers at large or small coordinates. Various techniques are described which can substantially reduce or eliminate such difficulties with little or no loss in program efficiency.",

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