Abstract
One-parameter families of rules are derived with all weights positive for integrals over the whole of three-dimensional space with weight functions exp (−r 2) and exp (−r).
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References
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G. M. Phillips,Seventh degree integration rules for the cube, BIT 19 (1979), 98.
G. M. Phillips,Seventh degree integration rules for the sphere, BIT 20 (1980), 117.
A. H. Stroud,Approximate Calculation of Multiple Integrals, Prentice-Hall, 1971.
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Phillips, G.M. Seventh degree integration rules for R3 . BIT 21, 126–128 (1981). https://doi.org/10.1007/BF01934079
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DOI: https://doi.org/10.1007/BF01934079