FIX: Fixed memory error in L-M method

src/LearningMethods/LevenbergMarquardt.cpp

@@ -50,10 +50,7 @@ arma::Mat<double>* lib4neuro::LevenbergMarquardt::LevenbergMarquardtImpl::get_Ja
 
     size_t n_parameters = ef.get_dimension();
     size_t n_data_points = ef.get_dataset()->get_n_elements();
-//    size_t input_dim = ef.get_network_instance()->get_n_inputs();
-//    size_t output_dim = ef.get_network_instance()->get_n_outputs();
     std::vector<std::pair<std::vector<double>, std::vector<double>>>* data = ef.get_dataset()->get_data();
-//    std::vector<double>* parameters = ef.get_parameters();
     std::vector<double> grad(n_parameters);
 
     for(size_t i = 0; i < n_data_points; i++) {
@@ -199,7 +196,7 @@ namespace lib4neuro {
         }while(iter_counter++ < this->p_impl->maximum_niters);
 
         /* Store the optimized parameters */
-        *this->p_impl->optimal_parameters = *params_current;
+        this->p_impl->optimal_parameters = params_current;
     }
 
     std::vector<double>* LevenbergMarquardt::get_parameters() {