u1+v1=330 第2 个月,450+u2+v2= u1+v1+w1,w1 ≤ 20u1 第3 个月,450+u3+v3= u2+v2+240+w2,w2 ≤ 20u2 第4 个月,600+u4+v4= u3+v3+360+w3,w3 ≤ 20u3 程序实现: LINDO : MIN 200x1+195x2 +190x3+185x4+10u1+9.9u2+9.8u3+9.7u4 +7v1+6.9v2+6.8v3+6.7v4+10w1+9.9w2+9.8w3+9.7w4 s.t,y1=10 y1+ x1- y2 =70 y2+ x2- y3 =30 y3+ x3- y4=80 u1+ v1=30 u1+ v1+ w1 - u2- v2= 450 u2+ v2+ w2 - u3- v3= 210 u3+ v3+ w3 - u4- v4= 240 w1 - 20u1 <=0 w2 - 20u2 <=0 w3 - 20u3 <=0 end gin 20 计算结果: OBJECTIVE FUNCTION VALUE 1) 42185.80 VARIABLE VALUE REDUCED COST X1 60.000000 200.000000 X2 30.000000 195.000000 X3 80.000000 190.000000 X4 0.000000 185.000000 U1 22.000000 10.000000 U2 11.000000 9.900000 U3 12.000000 9.800000 U4 0.000000 9.700000 V1 8.000000 7.000000 V2 0.000000 6.900000 V3 0.000000 6.800000 V4 0.000000 6.700000 优化建模 VARIABLE VALUE REDUCED COST
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