Rule #5 The Angle of Emergence from Complex Poles and The Angle of Entry into Complex Zeros(根轨迹 的出射角和入射角) The angle of emergence from complex poles is given by 180 X(angles of the vectors from all other open-loop poles to the poles in question)+ 2(angles of the vectors from the open-loop zeros to the complex pole in question 0n=1809-∑∠(P-p/)+∑(P-=) The angle of entry into a complex zero may be found from the same rule and then the sign changed to produce the final result 0:=180°-∑∠(=1-1)+∑(=1-P)• The angle of emergence from complex poles is given by 180º – Σ(angles of the vectors from all other open-loop poles to the poles in question) + Σ(angles of the vectors from the open-loop zeros to the complex pole in question). Rule #5 The Angle of Emergence from Complex Poles and The Angle of Entry into Complex Zeros (根轨迹 的出射角和入射角）    = = = −  − +  − n j i j m j p i j i j p p p z i 1 1  180 ( ) ( ) • The angle of entry into a complex zero may be found from the same rule and then the sign changed to produce the final result.    = = = −  − +  − m j i j n j z i j i pj z z z i 1 1  180 ( ) ( )