y patterns are assumed to be different. If the
patterns are equal or a subset then it is recommended to set this attribute
for efficiency reasons (in particular, for internal MatAXPY() operations).
<P>
This function has no effect in the case of standard eigenproblems.
<P>

<P>
<H3><FONT COLOR="#883300">See Also</FONT></H3>
 <A HREF="../ST/STSetMatrices.html#STSetMatrices">STSetMatrices</A>(), MatAXPY()
<BR><P><B><FONT COLOR="#883300">Location: </FONT></B><A HREF="../../../src/sys/classes/st/interface/stset.