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Note on the Computation of the Inverse of a Triangular Matrix

Published online by Cambridge University Press:  01 January 2025

Benjamin Fruchter
Benjamin Fruchter*
Affiliation:
Air Force Training Command 3309th Research & Development Group, University of Texas Sub-Unit
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Abstract

A simplified method of computing the inverse of a triangular matrix is presented. It is useful with the multiple-group method of factoring the correlation matrix as well as with other factor-analysis and multiple-correlation problems.

Information

Type
Original Paper
Information
Psychometrika , Volume 14 , Issue 2 , June 1949 , pp. 89 - 93
Copyright
Copyright © 1949 The Psychometric Society

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References

Thurstone, L. L. A multiple group method of factoring the correlation matrix. Psychometrika, 1945, 10, 73–78.CrossRefGoogle Scholar
Thurstone, L. L. Multiple-factor analysis (pp. 46–48). Chicago: University of Chicago Press, 1947.Google Scholar
Deemer, Walter L. Records, analysis, and test procedures (pp. 501–506). Washington: U. S. Government Printing Office, 1947.Google Scholar