Method get_model_parameter

! Get the model parameter at a given time. @param name Name of the model. @param t Index of the desired state. @param time_deriv The time-deriviative required (i.e. position is 0, velocity is 1, etc.). @return The parameter vector where dim is the model number of par

(
        self, name: str, t: int, time_deriv: int = 0
    )