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MODEL:
sets:
row/1..3/:b;
arrange/1..8/:x,c;
link(row,arrange):a;
endsets
data:
b=100,200,300;
c=0,1,0.5,1.5,1.5,0,0.5,1;
a=2,1,1,1,0,0,0,0,
0,1,2,0,3,2,1,0,
1,1,0,2,0,2,3,4;
enddata
[OBJ]min=@sum(arrange(j):c(j)*x(j));
@for(row(i):@sum(arrange(j):a(i,j)*x(j))=b(i;));
@for(arrange(j):x(j)>=0;@gin(x(j)););
end
model:
sets:
row/1..3/:a;
arrange/1..4/:b;
link(row,arrange):c,x;
endsets
data:
a=2500,2500,5000;
b=1500,2000,3000,3500;
c=10,5,6,7,
8,2,7,6,
9,3,4,8;
enddata
[obj]max=@sum(link(i,j):c(i,j)*x(i,j));
@for(row(i):@sum(arrange(j):x(i,j))=a(i););
@for(arrange(j):@sum(row(i):x(i,j))=b(j););
@for(link(i,j):x(i,j)>=0;);
end
model:
sets:
row/1,2/;
arrange1/1..3/;
arrange2/1..4/;
link1(row,arrange1):x;
link2(row,arrange2):y;
endsets
[obj]min=2*x(1,1)+3*x(1,2)+3*x(2,1)+x(2,2)+4*x(2,3)+2*y(1,1)+6*y(1,2)+3 *y(1,3)+6*y(1,4)+4*y(2,1)+4*y(2,2)+6*y(2,3)+5*y(2,4);
x(1,1)+x(1,2)=600;
x(2,1)+x(2,2)+x(2,3)=400;
-x(1,1)-x(2,1)+y(1,1)+y(1,2)+y(1,3)+y(1,4)=0; -x(1,2)-x(2,2)+y(2,1)+y(2,2)+y(2,3)+y(2,4)=0; y(1,1)+y(2,1)=200;
y(1,2)+y(2,2)=150;
y(1,3)+y(2,3)=350;
x(2,3)+y(1,4)+y(2,4)=300;
x(1,3)=0;
end