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<H1>STApply</H1>
Applies the spectral transformation operator to a vector, for instance (A - sB)^-1 B in the case of the shift-and-invert tranformation and generalized eigenproblem.
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
#include "slepcst.h"
PetscErrorCode STApply(ST st,Vec x,Vec y)
</PRE>
Collective on <A HREF="../ST/ST.html#ST">ST</A> and Vec
<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>st </B></TD><TD> - the spectral transformation context
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>x </B></TD><TD> - input vector
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Output Parameter</FONT></H3>
<DT><B>y </B> - output vector
<br>
<P>
<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
<A HREF="../ST/STApplyTranspose.html#STApplyTranspose">STApplyTranspose</A>()
<BR><P><B><FONT COLOR="#883300">Location: </FONT></B><A HREF="../../../src/st/interface/stsolve.c.html#STApply">src/st/interface/stsolve.c</A>
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