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Gangster operators and invincibility of positive semidefinite matrices

โœ Scribed by Timothy Ferguson; Charles Johnson


Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
200 KB
Volume
433
Category
Article
ISSN
0024-3795

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๐Ÿ“œ SIMILAR VOLUMES


A class of positive semidefinite matrice
โœ A.M. Russell; C.J.F. Upton ๐Ÿ“‚ Article ๐Ÿ“… 1987 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 298 KB

A matrix [ ai j( a)xi j ] is shown to be positive semidefinite or positive definite if the matrix [xi j] is positive semidefinite or positive definite and aij( a) belongs to a large class of functions of a. This class includes the reciprocals of the ath mean values of xii and xii in the cases where