Generation of Test Matrices Having Certain
Sign Patterns and Prescribed Positive Spectra

A class of orthogonal transformations is presented
whose members transform a given positive 
diagonal matrix into a matrix having one of four special sign patterns.

CACM July, 1969

Schneider, A. J.

test matrices, positive matrices, sign patterns,
orthogonal transformations, positive eigenvalues

5.1 5.14

CA690704 JB February 17, 1978  9:26 AM

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