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	开心 2012-2-8 20:27

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发表于 2012-8-2 13:58 |只看该作者 |倒序浏览

|招呼Ta 关注Ta

model:
sets:
product /1..7/:value;
need /1..14/:demand;
link(product,need):cost,number;
endsets
data:
value=160 155 155 160 155 150 160;
cost= 85.3 85.2 140 38 20.5 3.1 21.2 64.2 92 96 96 116.2 123 132
135.3 135.2 185 111 95.5 86 71.2 114.2 142 146 146 166.2 173 182
145.3 145.2 200 121 105.5 96 86.2 48.2 82 86 86 106.2 108 122
180.3 180.2 230 156 140.5 131 116.2 84.2 62 51 51 71.2 73 87
175.3 120.2 225 141 125.5 116 106.2 74.2 51 33 78 61.2 63 77
175.3 170.2 225 146 130.5 121 111.2 79.2 57 45 45 26.2 11 28
190.3 185.2 240 151 135.5 136 126.5 94.2 67 61 45 38.2 26 2;
demand=500 920 1130 1350 1650 2130 2810 3011 3216 3410 4016 4766 5067 5171;
enddata
!目标函数：求（value(i)*（（i）行的和））的和+cost*number的最小值；
min=@sum(link(i,j):cost(i,j)*number(i,j))+@sum(product(i):value(i)*@sum(need(j):number(i,j)));
!number中各行和的要求；
@for(product(i)|i#eq#1:@sum(need(j):number(i,j))>=500;@sum(need(j):number(i,j))<=800);
@for(product(i)|i#eq#2:@sum(need(j):number(i,j))>=500;@sum(need(j):number(i,j))<=800);
@for(product(i)|i#eq#3:@sum(need(j):number(i,j))>=500;@sum(need(j):number(i,j))<=1000);
@for(product(i)|i#eq#4:@sum(need(j):number(i,j))>=500;@sum(need(j):number(i,j))<=2000);
@for(product(i)|i#eq#5:@sum(need(j):number(i,j))>=500;@sum(need(j):number(i,j))<=2000);
@for(product(i)|i#eq#6:@sum(need(j):number(i,j))>=500;@sum(need(j):number(i,j))<=2000);
@for(product(i)|i#eq#7:@sum(need(j):number(i,j))>=500;@sum(need(j):number(i,j))<=3000);
!number中各列和的要求；
@for(need(j)|j#eq#14:@sum(product(i):number(i,j))>=0; @sum(product(i):number(i,j))<=500);
@for(need(j)|j#ge#13 #and# j#le#14:@sum(product(i):number(i,j))>=500; @sum(product(i):number(i,j))<=920);
@for(need(j)|j#ge#12 #and# j#le#14:@sum(product(i):number(i,j))>=920; @sum(product(i):number(i,j))<=1130);
@for(need(j)|j#ge#11 #and# j#le#14:@sum(product(i):number(i,j))>=1130; @sum(product(i):number(i,j))<=1350);
@for(need(j)|j#ge#10 #and# j#le#14:@sum(product(i):number(i,j))>=1350; @sum(product(i):number(i,j))<=1650);
@for(need(j)|j#ge#9 #and# j#le#14:@sum(product(i):number(i,j))>=1650; @sum(product(i):number(i,j))<=2130);
@for(need(j)|j#ge#8 #and# j#le#14:@sum(product(i):number(i,j))>=2130; @sum(product(i):number(i,j))<=2810);
@for(need(j)|j#ge#7 #and# j#le#14:@sum(product(i):number(i,j))>=2810; @sum(product(i):number(i,j))<=3011);
@for(need(j)|j#ge#6 #and# j#le#14:@sum(product(i):number(i,j))>=3011; @sum(product(i):number(i,j))<=3216);
@for(need(j)|j#ge#5 #and# j#le#14:@sum(product(i):number(i,j))>=3216; @sum(product(i):number(i,j))<=3410);
@for(need(j)|j#ge#4 #and# j#le#14:@sum(product(i):number(i,j))>=3410; @sum(product(i):number(i,j))<=4016);
@for(need(j)|j#ge#3 #and# j#le#14:@sum(product(i):number(i,j))>=4016; @sum(product(i):number(i,j))<=4766);
@for(need(j)|j#ge#2 #and# j#le#14:@sum(product(i):number(i,j))>=4766; @sum(product(i):number(i,j))<=5067);
@for(need(j)|j#ge#1 #and# j#le#14:@sum(product(i):number(i,j))>=5067; @sum(product(i):number(i,j))<=5171);
!number中所有元素和的要求；
@for(need(j):@sum(product(i):number(i,j))=5171);
!求整数线性规划；
@for(link (i,j): @gin(number (i,j)));