In the calculation of matrix inversion, when the number of matrix conditions is large, which leads to ill condition, various common methods to solve ill condition equation are used

Filename	Size	Update
gcv.m	4924	2017-01-07
l_curve.m	5338	2017-01-02
lsqr_b.m	3795	2014-09-02
tgsvd.m	1996	2016-06-10
tikhonov.m	3310	2003-05-11
tsvd.m	902	2002-08-26
csvd.m	758	2001-09-13

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