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An APL solution for the sphere tangent to four spheres
Author(s) -
Langlet G. A.
Publication year - 1977
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889877012734
Subject(s) - spheres , inscribed figure , tangent , tangent space , mathematics , space (punctuation) , tangent vector , mathematical analysis , hard spheres , physics , geometry , computer science , quantum mechanics , astronomy , operating system
A differential formulation of the problem of the largest sphere inscribed between n + 1 spheres in a space with n dimensions leads to a linear system of n + 1 equations with n unknowns which can be solved by the least‐squares method. This formulation is most efficient for APL computing.