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<div id="version" align=right><b>slepc-3.22.2 2024-12-02</b></div>
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<H1>STSetShift</H1>
Sets the shift associated with the spectral transformation.
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
#include "slepcst.h"
<A HREF="https://petsc.org/release/manualpages/Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../ST/STSetShift.html#STSetShift">STSetShift</A>(<A HREF="../ST/ST.html#ST">ST</A> st,<A HREF="https://petsc.org/release/manualpages/Sys/PetscScalar.html#PetscScalar">PetscScalar</A> shift)
</PRE>
Collective
<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>shift </B></TD><TD> - the value of the shift
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#883300">Notes</FONT></H3>
In some spectral transformations, changing the shift may have associated
a lot of work, for example recomputing a factorization.
<P>
This function is normally not directly called by users, since the shift is
indirectly set by <A HREF="../EPS/EPSSetTarget.html#EPSSetTarget">EPSSetTarget</A>().
<P>
<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
<A HREF="../EPS/EPSSetTarget.html#EPSSetTarget">EPSSetTarget</A>(), <A HREF="../ST/STGetShift.html#STGetShift">STGetShift</A>(), <A HREF="../ST/STSetDefaultShift.html#STSetDefaultShift">STSetDefaultShift</A>()
<BR><P><B></B><H3><FONT COLOR="#883300">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#883300">Location</FONT></H3>
</B><A HREF="../../../src/sys/classes/st/interface/stfunc.c.html#STSetShift">src/sys/classes/st/interface/stfunc.c</A>
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