The Condition Number of a Randomly Perturbed Matrix

被引:0
|
作者
Tao, Terence [1 ]
Vu, Van [1 ]
机构
[1] Univ Calif Los Angeles, Dept Math, Los Angeles, CA 90095 USA
关键词
Singular values;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Let M be an arbitrary n by n matrix. We study the condition number a random perturbation M + N(n) of M, where N(n) is a random matrix. It is shown that, tinder very general conditions on M and M., the condition number of M + N(n) is polynomial in n with very high probability. The main novelty here is that we allow N(n) to have discrete distribution.
引用
收藏
页码:248 / 255
页数:8
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