demos updated

demo/src/vecellipt.cc

@@ -70,7 +70,7 @@ int main(int argc, char* argv[])
   matrixOperator11.addTerm(new Simple_SOT);
   vecellipt.addMatrixOperator(matrixOperator11, 1, 1);
 
-  int degree = ellipt.getFeSpace()->getBasisFcts()->getDegree();
+  int degree = vecellipt.getFeSpace(0)->getBasisFcts()->getDegree();
   
   // ===== create rhs operator =====
   Operator rhsOperator0(vecellipt.getFeSpace(0));