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<div id="version" align=right><b>slepc-3.23.1 2025-05-01</b></div>
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<H1>BVSVDMethod</H1>
Different methods for computing the <A HREF="../SVD/SVD.html#SVD">SVD</A> of a <A HREF="../BV/BV.html#BV">BV</A>
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
typedef enum { <A HREF="../BV/BVSVDMethod.html#BVSVDMethod">BV_SVD_METHOD_REFINE</A>,
<A HREF="../BV/BVSVDMethod.html#BVSVDMethod">BV_SVD_METHOD_QR</A>,
<A HREF="../BV/BVSVDMethod.html#BVSVDMethod">BV_SVD_METHOD_QR_CAA</A> } <A HREF="../BV/BVSVDMethod.html#BVSVDMethod">BVSVDMethod</A>;
</PRE>
<H3><FONT COLOR="#883300">Notes</FONT></H3>
Allowed values are
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B><A HREF="../BV/BVSVDMethod.html#BVSVDMethod">BV_SVD_METHOD_REFINE</A> </B></TD><TD> - based on the <A HREF="../SVD/SVD.html#SVD">SVD</A> of the cross product matrix S'*S, with refinement
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B><A HREF="../BV/BVSVDMethod.html#BVSVDMethod">BV_SVD_METHOD_QR</A> </B></TD><TD> - based on the <A HREF="../SVD/SVD.html#SVD">SVD</A> of the triangular factor of qr(S)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B><A HREF="../BV/BVSVDMethod.html#BVSVDMethod">BV_SVD_METHOD_QR_CAA</A> </B></TD><TD> - variant of QR intended for use in cammunication-avoiding Arnoldi
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
<A HREF="../BV/BVSVDAndRank.html#BVSVDAndRank">BVSVDAndRank</A>()
<BR><P><B></B><H3><FONT COLOR="#883300">Level</FONT></H3>developer<BR>
<H3><FONT COLOR="#883300">Location</FONT></H3>
</B><A HREF="../../../include/slepcbv.h.html#BVSVDMethod">include/slepcbv.h</A>
<BR><BR><A HREF="./index.html">Index of all BV routines</A>
<BR><A HREF="../../../docs/manual.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
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