The Niblack-Nigam iterative method revisited

被引：0
|
作者：
Killingbeck, J. P. [1 ,2 ]
Jolicard, G. [2 ]
机构：
[1] Univ Hull, Ctr Math, Kingston Upon Hull HU6 7RX, N Humberside, England
[2] CNRS, Inst UTINAM, UMR 6213, F-25010 Besancon, France
来源：
JOURNAL OF MATHEMATICAL CHEMISTRY | 2010年 / 47卷 / 03期
关键词：
Quantum physics; Matrix eigenvalues; Resonances;
D O I：
10.1007/s10910-009-9615-4
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The iterative algorithm of Niblack and Nigam for matrix eigenvalues is derived in a simple manner and is improved so as to permit reliable numerical calculations. The computational capabilities of the algorithm are tested on a bound state problem and it is then shown how to extract eigenvector information from numerical eigenvalues. A complexified form of the algorithm is shown to permit the accurate calculation of complex resonant state energies.
引用
收藏
页码：929 / 936
页数：8
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