Biconjugate gradient stabilized method: Difference between revisions

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## {{math|<var>α</var> {{=}} <var>ρ<sub>i</sub></var>/('''<var>r̂</var>'''<sub>0</sub>, <var>'''v'''<sub>i</sub></var>)}}
## {{math|'''<var>s</var>''' {{=}} '''<var>r</var>'''<sub><var>i<var>−1</sub> − <var>α'''v'''<sub>i</sub></var>}}
## if || {{math|'''<var>s</var>'''}} || sufficiently small, then set {{math|<var>'''x'''<sub>i</sub></var> {{=}} '''<var>x</var>'''<sub><var>i<var>−1</sub> + <var>α'''py'''<sub>i</sub></var> }} and quit
## {{math|'''<var>z</var>''' {{=}} '''<var>K</var>'''<sup>−1</sup>'''<var>s</var>'''}}
## {{math|'''<var>t</var>''' {{=}} '''<var>Az</var>'''}}