================= Essential Classes ================= CoordinateSym ============= .. autoclass:: sympy.physics.vector.frame.CoordinateSym :members: ReferenceFrame ============== .. autoclass:: sympy.physics.vector.frame.ReferenceFrame :members: Vector ====== .. autoclass:: sympy.physics.vector.vector.Vector :members: Dyadic ====== .. autoclass:: sympy.physics.vector.dyadic.Dyadic :members: