minor bugfix in misc.Backstepping and misc.subsurf

+misc/Backstepping.m

@@ -251,14 +251,14 @@ classdef Backstepping < handle & matlab.mixin.Copyable
 			
 			% get grid
 			if ~isempty(obj.kernel) && ~isempty(obj.kernelInverse)
-				myGrid = obj.kernel.grid;
-				if numel(myGrid{1}) < numel(obj.kernelInverse.grid{1})
-					myGrid = obj.kernelInverse.grid;
+				myGrid = obj.kernel(1).grid;
+				if numel(myGrid{1}) < numel(obj.kernelInverse(1).grid{1})
+					myGrid = obj.kernelInverse(1).grid;
 				end
 			elseif ~isempty(obj.kernel)
-				myGrid = obj.kernel.grid;
+				myGrid = obj.kernel(1).grid;
 			elseif ~isempty(obj.kernelInverse) 
-				myGrid = obj.kernelInverse.grid;
+				myGrid = obj.kernelInverse(1).grid;
 			end
 			
 			% get domainSelector depending on ojb.integralBounds