Lindo Essay

476 WordsApr 30, 20152 Pages
INPUT Min 6000000Y1+5500000Y2+5600000Y3+6100000Y4+10000000Z1+9200000Z2+9300000Z3+10200000Z4+211X11+232X12+238X13+299X14+232X21+212X22+230X23+280X24+240X31+230X32+215X33+270X34+300X41+280X42+270X43+225X44 Subject to X11+X21+X31+X41=110000 X12+X22+X32+X42=180000 X13+X23+X33+X43=120000 X14+X24+X34+X44=100000 X11+X12+X13+X14-200000Y1-400000Z1<=0 X21+X22+X23+X24-200000Y2-400000Z2<=0 X31+X32+X33+X34-200000Y3-400000Z3<=0 X41+X42+X43+X44-200000Y4-400000Z4<=0 Y1+Z1<=1 Y2+Z2<=1 Y3+Z3<=1 Y4+Z4<=1 END INT 8 RESULTS LP OPTIMUM FOUND AT STEP 8 OBJECTIVE VALUE = 121900000. FIX ALL VARS.( 4) WITH RC > 0.000000E+00 SET Y3 TO <= 0 AT 1, BND= -0.1293E+09 TWIN=-0.1301E+09 50 SET Y1 TO <= 0 AT 2, BND= -0.1295E+09 TWIN=-0.1301E+09 63 NEW INTEGER SOLUTION OF 129479992. AT BRANCH 2 PIVOT 63 BOUND ON OPTIMUM: 0.1292900E+09 DELETE Y1 AT LEVEL 2 DELETE Y3 AT LEVEL 1 RELEASE FIXED VARIABLES ENUMERATION COMPLETE. BRANCHES= 2 PIVOTS= 87 LAST INTEGER SOLUTION IS THE BEST FOUND RE-INSTALLING BEST SOLUTION... OBJECTIVE FUNCTION VALUE 1) 0.1294800E+09 VARIABLE VALUE REDUCED COST Y1 0.000000 -6200000.000000 Y2 0.000000 -2500000.000000 Y3 0.000000 -5400000.000000 Y4 1.000000 6100000.000000 Z1 0.000000 -14400000.000000 Z2 1.000000 -6800000.000000 Z3 0.000000 -12700000.000000 Z4 0.000000 10200000.000000 X11 0.000000 0.000000 X12 0.000000 41.000000 X13 0.000000 29.000000 X14 0.000000 135.000000 X21 110000.000000

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