C. B. Haselgrove. A method for numerical integration. Math. Comput. 15 (1961), p. 323-337. Home/Search Document Not in Database Summary Related Articles Check |
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Computational Approaches of Relativistic Models in.. - Desclaux.. (2002) (Correct)
....element f by: f = n=1 (r i )f(r i ) 13.3) where the weight function (r i ) can be considered as an integration weight corresponding to a local volume per point. This function is also constrained to force the error momenta to vanish on the grid points following the work of Haselgrove [27]. Furthermore the set of the sampling points [r i ] must be chosen to preserve the symmetries of the system under configuration (this is accomplished by taking a set of sampling points that includes all points Rr i , R standing for operations of the symmetry group) A full description of the DVM ....
C. B. Haselgrove. A method for numerical integration. Math. Comput. 15 (1961), p. 323-337.
On Numerical Approximation of Electrostatic Energy in 3D - Finocchiaro, Pellegrini.. (1998) (Correct)
....into an inner sphere centered on the atom center and a set of truncated pyramids. Specialized numerical techniques are then used in these two types of domains. Numerical results reported in [11] compare favorably with previously known techniques, notably those based on Diophantine integration [13, 14]. Such a method is suitable for computing particle distribution interaction integrals, since special attention is paid to singularities at the nuclei, however such technique does not seem to address more general 5 (6 dimensional) integrals (1) and (2) A second numerical technique is advocated ....
C. B. Haselgrove. A method for numerical integration. Math. Comp., 15:323--337, 1961.
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