errestools
所属分类:matlab编程
开发工具:matlab
文件大小:8KB
下载次数:58
上传日期:2009-12-14 07:58:26
上 传 者:
ljbnudt
说明: 用来估计病态线性方程组正则化求解时的误差。
(To estimate the error of regulation method for the ill-conditioned system of linear equations)
文件列表:
errestools\ehatnu.m (1177, 2009-04-04)
errestools\enu.m (1207, 2009-04-04)
errestools\enutik.m (1360, 2009-04-04)
errestools\errestik.m (6752, 2009-04-04)
errestools\errestsv.m (4744, 2009-04-04)
errestools\etanu.m (978, 2009-04-04)
errestools\etanutik.m (1191, 2009-04-04)
errestools (0, 2009-12-10)
ErresTools - Ver. 1
by Giuseppe Rodriguez - http://bugs.unica.it/~gppe - rodriguez@unica.it
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The software is described in the papers:
C. Brezinski, G. Rodriguez, and S. Seatzu.
Error estimates for linear systems with applications to regularization.
Numer. Algorithms, 49(1-4):85-104, 2008.
C. Brezinski, G. Rodriguez, and S. Seatzu.
Error estimates for the regularization of least squares problems.
Numer. Algorithms, 2009. In press.
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Some of the functions require the toolbox
Regularization Tools - by Per Christian Hansen
http://www2.imm.dtu.dk/~pch/Regutools/
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Available functions:
ENU error estimate for a set of approximate solutions (square case)
EHATNU A-norm error estimate for a set of approximate solutions
ENUTIK error estimate for Tikhonov regularization (square case)
ETANU error estimate for a set of approximate solutions (general case)
ETANUTIK error estimate for Tikhonov regularization (general case)
ERRESTSV optimal k value in TSVD via error estimation
ERRESTIK optimal lambda value in Tikhonov regularization via error estimation
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