Index: ../trunk-jpl/src/m/classes/independent.m
===================================================================
--- ../trunk-jpl/src/m/classes/independent.m	(revision 15369)
+++ ../trunk-jpl/src/m/classes/independent.m	(revision 15370)
@@ -59,11 +59,14 @@
 				fielddisplay(obj,'fov_forward_indices','indices for fov_foward driver of ADOLC');
 			end
 		end % }}}
-		function scalar=typetoscalar(obj) % {{{
+		function scalartype=typetoscalar(obj) % {{{
 			if strcmpi(obj.type,'scalar'),
-				scalar=0;
+				scalartype=0;
 			elseif strcmpi(obj.type,'vertex'),
-				scalar=1;
+				scalartype=1;
+			elseif strcmpi(obj.type,'matrix'),
+				scalartype=1;
+			else error([obj.type ' not supported yet!']);
 			end
 		end % }}}
 	end