| 对称正定三对角矩阵求逆有高精度 |
| |
| 引用本文： | 薛军工.对称正定三对角矩阵求逆有高精度[J].复旦学报(自然科学版),1996,35(1):108-112. |
| |
| 作者姓名： | 薛军工 |
| |
| 作者单位： | Xue Jungong(Institute Of Mathematics)(Institute of Mathematics，Fudan University，Shanghai 200433) |
| |
| 摘 要： | 用Ｃｈｏｌｅｓｋｙ分解求解对称正定三对角矩阵的逆、，其每个元素都能保持很高的相对精度。
|
| 关 键 词： | Cholesky分解 扰动 误差 正定矩阵 逆 |
Computing inverses of SPD tridiagonal matrices has high accuracy |
| |
| Xue Jungong.Computing inverses of SPD tridiagonal matrices has high accuracy[J].Journal of Fudan University(Natural Science),1996,35(1):108-112. |
| |
| Authors: | Xue Jungong |
| |
| Abstract: | This paper proves that computing the inverse of a symmetric positive definite tridiagonal matrix with Cholesky factorization has high componentwise relative accuracy. |
| |
| Keywords: | Cholesky factorization perturbation theory error anylysis |
| 本文献已被 CNKI 维普 等数据库收录！ |
