Index: /trunk/archive/pslib/include/psMatrix.h
===================================================================
--- /trunk/archive/pslib/include/psMatrix.h	(revision 367)
+++ /trunk/archive/pslib/include/psMatrix.h	(revision 368)
@@ -40,4 +40,17 @@
 		  );
 
+/** LU Decomposition of a matrix */
+psImage *
+psMatrixLUD(psImage *out,		///< Matrix to return, or NULL
+	    psImage *myMatrix		///< Matrix to decompose
+	    );
+
+/** LU Solution.  Solves for and returns x in the equation Ax = b */
+psVector *
+psMatrixLUSolve(psVector *out,		///< Vector to return, or NULL
+		const psImage *luMatrix, ///< LU-decomposed matrix
+		const psVector *rhsVector ///< right-hand-side of the equation
+		); 
+
 /***********************************************************************************************************/