On the Jacobi matrix inverse eigenvalue problem with mixed given data

被引:35
|
作者
Xu, SF
机构
[1] Department of Mathematics, Peking University
关键词
Jacobi matrix; eigenvalue; inverse eigenvalue problem;
D O I
10.1137/S089547989122065X
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, we discuss the problem of constructing a 2n × 2n Jacobi matrix J2n such that its eigenvalues are given distinct values λ1, λ2, . . . , λ2n and its leading n × n principal submatrix is a given n × n Jacobi matrix Jn. We give some sufficient and necessary conditions for the solubility of the problem and propose a new fast algorithm for solving this problem. We also present some numerical results.
引用
收藏
页码:632 / 639
页数:8
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