Hostname: page-component-cb9f654ff-p5m67 Total loading time: 0 Render date: 2025-08-11T18:26:33.067Z Has data issue: false hasContentIssue false

Distances in Gaussian point sets

Published online by Cambridge University Press:  24 October 2008

Peter Clifford
Affiliation:
Mathematical Institute, 24-29 St Giles, Oxford 0X1 3LB
N. J. B. Green
Affiliation:
Physical Chemistry Laboratory, South Parks Road, Oxford
Rights & Permissions [Opens in a new window]

Abstract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

The joint distribution of the n(n− l)/2 distances between n normally distributed points in d dimensions is studied. Moment generating functions and probability density functions are obtained. It is shown that when n = d the squared distances are jointly exponentially distributed subject only to the constraint that a valid n point configuration is prescribed. In the case n = d = 3 the distributions of the ordered distance are obtained explicitly.

Information

Type
Research Article
Copyright
Copyright © Cambridge Philosophical Society 1985

References

REFERENCES

[1]Anderson, T. W.. The non-central Wishart distribution and certain problems of multi-variate statistics. Ann. Statist. 17 (1946), 409431.CrossRefGoogle Scholar
[2]Barra, J. R.. Mathematical Basis of Statistics (Academic Press, 1981).Google Scholar
[3]Bickell, P. J. and Breiman, L.. Sums of functions of nearest neighbour distances, moment bounds, limit theorems and a goodness of fit test. Ann. Probab. 11 (1983), 185214.Google Scholar
[4]Kendall, D. G. and Kendall, W. S.. Alignments in two-dimensional random sets of points. Adv. in Appl. Probab. 12 (1980), 380424.CrossRefGoogle Scholar
[5]Kendall, W. S.. Random Gaussian triangles. (To appear.)Google Scholar
[6]Mahalanobis, P. C., Bose, R. C. and Roy, S. N.. Normalisation of variates and the use of rectangular coordinates in the theory of sampling distributions. Sankhyā 3 (1937), 140.Google Scholar
[7]Muirhead, R. J.. Aspects of Multivariate Statistical Theory (John Wiley, 1982).CrossRefGoogle Scholar
[8]Rao, C. R.. Linear Statistical Inference and Its Applications (John Wiley, 1965).Google Scholar
[9]Schoenberg, I. J.. Metric spaces and positive definite functions. Trans. Amer. Math. Soc. 44 522536.CrossRefGoogle Scholar
[10]Silverman, B. W. and Brown, T. C.. Short distances, flat triangles and Poisson limits. J. Appl. Probab. 15 815825.CrossRefGoogle Scholar
[11]Small, C.. Random uniform triangles and the alignment problem. Math. Proc. Cambridge Philos. Soc. 91 (1982), 315322.CrossRefGoogle Scholar