Avoid use of now defuct copy constructor

examples/StereoVOExample.cpp

@@ -67,7 +67,7 @@ int main(int argc, char** argv){
   initial_estimate.insert(5, Point3(0, -0.5, 5));
 
   //create Levenberg-Marquardt optimizer for resulting factor graph, optimize
-  LevenbergMarquardtOptimizer optimizer = LevenbergMarquardtOptimizer(graph, initial_estimate);
+  LevenbergMarquardtOptimizer optimizer(graph, initial_estimate);
   Values result = optimizer.optimize();
 
   result.print("Final result:\n");

examples/StereoVOExample_large.cpp

@@ -105,7 +105,7 @@ int main(int argc, char** argv){
   //create Levenberg-Marquardt optimizer to optimize the factor graph
   LevenbergMarquardtParams params;
   params.orderingType = Ordering::METIS;
-  LevenbergMarquardtOptimizer optimizer = LevenbergMarquardtOptimizer(graph, initial_estimate, params);
+  LevenbergMarquardtOptimizer optimizer(graph, initial_estimate, params);
   Values result = optimizer.optimize();
 
   cout << "Final result sample:" << endl;

gtsam_unstable/examples/ConcurrentCalibration.cpp

@@ -115,7 +115,7 @@ int main(int argc, char** argv){
   params.verbosity = NonlinearOptimizerParams::ERROR;
 
   //create Levenberg-Marquardt optimizer to optimize the factor graph
-  LevenbergMarquardtOptimizer optimizer = LevenbergMarquardtOptimizer(graph, initial_estimate,params);
+  LevenbergMarquardtOptimizer optimizer(graph, initial_estimate,params);
 //  Values result = optimizer.optimize();
 
   string K_values_file = "K_values.txt";

gtsam_unstable/examples/SmartProjectionFactorExample.cpp

@@ -112,7 +112,7 @@ int main(int argc, char** argv){
 
   cout << "Optimizing" << endl;
   //create Levenberg-Marquardt optimizer to optimize the factor graph
-  LevenbergMarquardtOptimizer optimizer = LevenbergMarquardtOptimizer(graph, initial_estimate, params);
+  LevenbergMarquardtOptimizer optimizer(graph, initial_estimate, params);
   Values result = optimizer.optimize();
 
   cout << "Final result sample:" << endl;

gtsam_unstable/examples/SmartStereoProjectionFactorExample.cpp

@@ -134,7 +134,7 @@ int main(int argc, char** argv){
 
   cout << "Optimizing" << endl;
   //create Levenberg-Marquardt optimizer to optimize the factor graph
-  LevenbergMarquardtOptimizer optimizer = LevenbergMarquardtOptimizer(graph, initial_estimate, params);
+  LevenbergMarquardtOptimizer optimizer(graph, initial_estimate, params);
   Values result = optimizer.optimize();
 
   cout << "Final result sample:" << endl;