WHEN IS THE GREATEST EIGENVALUE OF A PARAMETRIZED SYMMETRICAL MATRIX A CONVEX FUNCTION OF THE PARAMETER

被引:2
作者
YE, DY
机构
[1] Laboratoire d'Analyse Numérique U.F.R., Mathématique, Informatique et Gestion Université Paul Sabatier
关键词
D O I
10.1016/0024-3795(92)90173-8
中图分类号
O29 [应用数学];
学科分类号
070104 [应用数学];
摘要
Let A(.) = (a(ij)(.))nxn be a real symmetric matrix-valued function of u is-an-element-of R(m). Let lambda(u) be the greatest eigenvalue of A(u). We are concerned with the convexity of lambda(.) when A(.) does not depend affinely on u.
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页码:103 / 109
页数:7
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