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Discussion of a Set of Points in Terms of their Mutual Distances

Published online by Cambridge University Press:  01 January 2025

Gale Young  and
A. S. Householder
Gale Young
Affiliation:
The University of Chicago
A. S. Householder
Affiliation:
The University of Chicago
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Abstract

Necessary and sufficient conditions are given for a set of numbers to be the mutual distances of a set of real points in Euclidean space, and matrices are found whose ranks determine the dimension of the smallest Euclidean space containing such points. Methods are indicated for determining the configuration of these points, and for approximating to them by points in a space of lower dimensionality.

Information

Type
Original Paper
Information
Psychometrika , Volume 3 , Issue 1 , March 1938 , pp. 19 - 22
Copyright
Copyright © 1938 The Psychometric Society

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Footnotes

*

This paper was written in response to suggestions by Harold Gulliksen and by M. W. Richardson. The latter is working on a psychophysical problem in which the dimensionality of a set of points whose mutual distances are available is a central idea.

References

Young, Gal. Matrix Approximation and Sub-space Fitting. Psychometrika, 1937, 2, 21–25.CrossRefGoogle Scholar
Horst, Pau. A Method of Factor Analysis by Means of Which all Coordinates of the Factor Matrix are Given Simultaneously. Psychometrika, 1937, 2, 225–236.CrossRefGoogle Scholar
Householder, A.S., and Young, Gal. Matrix Approximation and Latent Roots. The American Mathematical Monthly, 1938, 45, 165–171.CrossRefGoogle Scholar

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