<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def XstarT_dot(self,M):
 """ get dot product of Xhat and M """

        if 0:
            #TODO: implement this properly
            pass
        else:
            RV = np.dot(self.Xstar().T,M)
        return RV