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<A NAME="KSPLSQR"><H1>KSPLSQR</H1></A>
This implements LSQR
<H3><FONT COLOR="#CC3333">Options Database Keys</FONT></H3>
<DT><B>see <A HREF="../KSP/KSPSolve.html#KSPSolve">KSPSolve</A>()</B> -
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Notes: This algorithm DOES NOT use a preconditioner. It ignores any preconditioner arguments specified.
Reference: Paige and Saunders, ACM Transactions on Mathematical Software, Vol 8, pp 43-71, 1982
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<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../KSP/KSPCreate.html#KSPCreate">KSPCreate</A>(), <A HREF="../KSP/KSPSetType.html#KSPSetType">KSPSetType</A>(), <A HREF="../KSP/KSPType.html#KSPType">KSPType</A> (for list of available types), <A HREF="../KSP/KSP.html#KSP">KSP</A>
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<P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>beginner
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/ksp/ksp/impls/lsqr/lsqr.c.html#KSPLSQR">src/ksp/ksp/impls/lsqr/lsqr.c</A>
<BR><A HREF="./index.html">Index of all KSP routines</A>
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