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   <div id="version" align=right><b>slepc-3.14.2 2021-02-01</b></div>
   <div id="bugreport" align=right><a href="mailto:slepc-maint@upv.es?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: slepc-3.14.2 v3.14.2 docs/manualpages/BV/BVBiorthonormalizeColumn.html "><small>Report Typos and Errors</small></a></div>
<H1>BVBiorthonormalizeColumn</H1>
Bi-orthonormalize a column of two <A HREF="../BV/BV.html#BV">BV</A> objects. 
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
#include "slepcbv.h"   
PetscErrorCode <A HREF="../BV/BVBiorthonormalizeColumn.html#BVBiorthonormalizeColumn">BVBiorthonormalizeColumn</A>(<A HREF="../BV/BV.html#BV">BV</A> V,<A HREF="../BV/BV.html#BV">BV</A> W,PetscInt j,PetscReal *delta)
</PRE>
Collective on V
<P>
<H3><FONT COLOR="#883300">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>V,W </B></TD><TD>&nbsp;- two basis vectors contexts
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>j   </B></TD><TD>&nbsp;- index of column to be bi-orthonormalized
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>delta </B></TD><TD>&nbsp;- (optional) value used for normalization
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Notes</FONT></H3>
This function first bi-orthogonalizes vectors V[j],W[j] against W[0..j-1],
and V[0..j-1], respectively. Then, it scales the vectors with 1/delta, so
that the resulting vectors satisfy W[j]'*V[j] = 1.
<P>

<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
 <A HREF="../BV/BVOrthonormalizeColumn.html#BVOrthonormalizeColumn">BVOrthonormalizeColumn</A>(), <A HREF="../BV/BVBiorthogonalizeColumn.html#BVBiorthogonalizeColumn">BVBiorthogonalizeColumn</A>()
<BR><P><B><FONT COLOR="#883300">Location: </FONT></B><A HREF="../../../src/sys/classes/bv/interface/bvbiorthog.c.html#BVBiorthonormalizeColumn">src/sys/classes/bv/interface/bvbiorthog.c</A>
<BR><A HREF="./index.html">Index of all BV routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
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