第一次迭代 (1)丌=CE BI B1=(0,0,0) (2)1=B-C1=70,22=P-C2=120, 取入。=22=120. 4 (3)BP2=P2=5 10 (4)O=mn360/4,200/5300/10}=300/10=d3/b32 B2=(P3,P4,P2)第一次迭代   ( , , ) (4) min 360 4,200 5,300 10 300 10 . 10 5 4 (3) 120. (2) 70, 120, (1) (0, 0, 0). 2 3 4 2 3 3 2 2 2 1 1 2 1 1 1 2 2 2 1 1 1 B P P P B P P λ π P C λ π P C π CB B = = = =           = = = = = − = = − = = = − − d b s  取 