Powers of tridiagonal matrices with constant diagonals

被引:15
作者
Gutierrez-Gutierrez, Jesus [1 ,2 ]
机构
[1] CEIT, E-20018 San Sebastian, Spain
[2] Tecnun Univ Navarra, E-20018 San Sebastian, Spain
关键词
Tridiagonal matrices; Eigenvalues; Eigenvectors; Jordan's form; Chebyshev polynomials;
D O I
10.1016/j.amc.2008.10.005
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, we derive a general expression for the entries of the qth power (q is an element of N) of the n x n complex tridiagonal matrix tridiag(n) (a(1); a(0); a(-1)) for all n is an element of N, in terms of the Chebyshev polynomials of the second kind. (c) 2008 Elsevier Inc. All rights reserved.
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页码:885 / 891
页数:7
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