estimators.py 文件源码

def cost_function(self,non_linear_parameter_value,Y):
        self.N,L=Y.shape
        setattr(self,self.non_linear_parameter_name,non_linear_parameter_value)
        H=np.matrix(self.H)
        cost=np.real(np.trace(Y.H*H*lg.pinv(H)*Y))
        return cost