diff --git a/cost_function.py b/Trajectories/cost_function.py
similarity index 100%
rename from cost_function.py
rename to Trajectories/cost_function.py
diff --git a/draw_segments.py b/Trajectories/draw_segments.py
similarity index 100%
rename from draw_segments.py
rename to Trajectories/draw_segments.py
diff --git a/segments.py b/Trajectories/segments.py
similarity index 100%
rename from segments.py
rename to Trajectories/segments.py
diff --git a/trajectories.py b/Trajectories/trajectories.py
similarity index 100%
rename from trajectories.py
rename to Trajectories/trajectories.py