g="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>V </B></TD><TD>&nbsp;- the modified basis vectors
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>R </B></TD><TD>&nbsp;- (if not NULL) the triangular factor of the QR decomposition
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Notes</FONT></H3>
On input, matrix R must be a square sequential dense Mat, with at least as many
rows and columns as the number of active columns of V. The output satisfies
V0 = V*R (where V0 represent the inp