Stuff

include/PenningTrap.hpp

@@ -222,6 +222,9 @@ public:
     double fraction_of_particles_left(double time, unsigned int steps,
                                       std::string method = "rk4",
                                       bool particle_interaction = true);
+
+    vec_3d get_r(int i);
+    double get_t();
 };
 
 #endif