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m If the intermediate residual in Step 6(7) becomes small (or worse zero), then the rest of the method is not well-defined (because s=0 implies t=As=0, and the quotient in Step 9 is no defined. See also van der Vorst, Cambridge, 2009, p.138 |
m Bot: Deprecating Template:Cite doi and some minor fixes |
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==References==
* {{Cite journal | doi = 10.1137/0913035 | title = Bi-CGSTAB: A Fast and Smoothly Converging Variant of Bi-CG for the Solution of Nonsymmetric Linear Systems | year = 1992 | last1 = Van der Vorst | first1 = H. A. | journal = [[SIAM Journal on Scientific Computing|SIAM J. Sci. and Stat. Comput.]] | volume = 13 | issue = 2 | pages = 631–644 }}
* {{cite book
|last = Saad
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|doi = 10.2277/0898715342
}}
* {{note|bicgstab2}}{{Cite journal| doi = 10.1137/0914062| title = Variants of BICGSTAB for Matrices with Complex Spectrum| year = 1993| last1 = Gutknecht | first1 = M. H.| journal = [[SIAM Journal on Scientific Computing|SIAM J. Sci. Comput.]]| volume = 14| issue = 5| pages = 1020–1033 }}
* {{note|bicgstab(l)}}{{cite journal
| last1 = Sleijpen | first1 = G. L. G.
| |||