alpar@1: /* plan.mod */
alpar@1: 
alpar@1: var bin1, >= 0, <= 200;
alpar@1: var bin2, >= 0, <= 2500;
alpar@1: var bin3, >= 400, <= 800;
alpar@1: var bin4, >= 100, <= 700;
alpar@1: var bin5, >= 0, <= 1500;
alpar@1: var alum, >= 0;
alpar@1: var silicon, >= 0;
alpar@1: 
alpar@1: minimize
alpar@1: 
alpar@1: value: .03 * bin1 + .08 * bin2 + .17 * bin3 + .12 * bin4 + .15 * bin5 +
alpar@1:        .21 * alum + .38 * silicon;
alpar@1: 
alpar@1: subject to
alpar@1: 
alpar@1: yield: bin1 + bin2 + bin3 + bin4 + bin5 + alum + silicon = 2000;
alpar@1: 
alpar@1: fe: .15 * bin1 + .04 * bin2 + .02 * bin3 + .04 * bin4 + .02 * bin5 +
alpar@1:     .01 * alum + .03 * silicon <= 60;
alpar@1: 
alpar@1: cu: .03 * bin1 + .05 * bin2 + .08 * bin3 + .02 * bin4 + .06 * bin5 +
alpar@1:     .01 * alum <= 100;
alpar@1: 
alpar@1: mn: .02 * bin1 + .04 * bin2 + .01 * bin3 + .02 * bin4 + .02 * bin5
alpar@1:     <= 40;
alpar@1: 
alpar@1: mg: .02 * bin1 + .03 * bin2 + .01 * bin5 <= 30;
alpar@1: 
alpar@1: al: .70 * bin1 + .75 * bin2 + .80 * bin3 + .75 * bin4 + .80 * bin5 +
alpar@1:     .97 * alum >= 1500;
alpar@1: 
alpar@1: si: 250 <= .02 * bin1 + .06 * bin2 + .08 * bin3 + .12 * bin4 +
alpar@1:     .02 * bin5 + .01 * alum + .97 * silicon <= 300;
alpar@1: 
alpar@1: end;
alpar@1: 
alpar@1: /* eof */