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<H1>STSetMatStructure</H1>
Sets an internal MatStructure attribute to indicate which is the relation of the sparsity pattern of all <A HREF="../ST/ST.html#ST">ST</A> matrices. 
<H3><FONT COLOR="#883300">Synopsis</FONT></H3>
<PRE>
#include "slepcst.h" 
PetscErrorCode <A HREF="../ST/STSetMatStructure.html#STSetMatStructure"