lingo model:sets:number1..3:x;modes1..4:a,b;mode(number,modes):r;endsetsdata:a=50,10,20,15;b=4,5,6,8;enddatamin=@sum(number:x);@for(modes(i):@sum(number(j):x(j)r(j,i))>=a(i));@for(number(i):@sum(modes(j):b(j)r(i,j))>=16;@for(number(i):@sum(modes(j)

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lingo model:sets:number1..3:x;modes1..4:a,b;mode(number,modes):r;endsetsdata:a=50,10,20,15;b=4,5,6,8;enddatamin=@sum(number:x);@for(modes(i):@sum(number(j):x(j)*r(j,i))>=a(i));@for(number(i):@sum(modes(j):b(j)*r(i,j))>=16;@for(number(i):@sum(modes(j)
lingo
model:
sets:
number1..3:x;
modes1..4:a,b;
mode(number,modes):r;
endsets
data:
a=50,10,20,15;
b=4,5,6,8;
enddata
min=@sum(number:x);
@for(modes(i):@sum(number(j):x(j)*r(j,i))>=a(i));
@for(number(i):@sum(modes(j):b(j)*r(i,j))>=16;
@for(number(i):@sum(modes(j):b(j)*r(i,j))=0);
@sum(number:x)>=26;
@sum(number:x)