Use the simplex method to solve the linear programming probl
Solution
solve
x1 x2 x3 s1 s2 s3 s4 s5 z
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1 4 5 1 0 0 0 0 0 120
1 4 10 0 1 0 0 0 0 240
1 0 0 0 0 -1 0 0 0 0
0 1 0 0 0 0 -1 0 0 0
0 0 1 0 0 0 0 -1 0 0
-7 -2 -1 0 0 0 0 0 1 0
x1 x2 x3 s1 s2 s3 s4 s5 z
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1 4 5 1 0 0 0 0 0 120
1 4 10 0 1 0 0 0 0 240
-1 0 0 0 0 1 0 0 0 0
0 1 0 0 0 0 -1 0 0 0
0 0 1 0 0 0 0 -1 0 0
-7 -2 -1 0 0 0 0 0 1 0
x1 x2 x3 s1 s2 s3 s4 s5 z
----------------------------------------------------------------------------
1 4 5 1 0 0 0 0 0 120
1 4 10 0 1 0 0 0 0 240
-1 0 0 0 0 1 0 0 0 0
0 -1 0 0 0 0 1 0 0 0
0 0 1 0 0 0 0 -1 0 0
-7 -2 -1 0 0 0 0 0 1 0
x1 x2 x3 s1 s2 s3 s4 s5 z
----------------------------------------------------------------------------
1 4 5 1 0 0 0 0 0 120
1 4 10 0 1 0 0 0 0 240
-1 0 0 0 0 1 0 0 0 0
0 -1 0 0 0 0 1 0 0 0
0 0 -1 0 0 0 0 1 0 0
-7 -2 -1 0 0 0 0 0 1 0
x1 x2 x3 s1 s2 s3 s4 s5 z
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1 4 5 1 0 0 0 0 0 120
0 0 5 -1 1 0 0 0 0 120
0 4 5 1 0 1 0 0 0 120
0 -1 0 0 0 0 1 0 0 0
0 0 -1 0 0 0 0 1 0 0
0 26 34 7 0 0 0 0 1 830
Answer is:
z = 830; x1 = 120, x2 = 0, x3 = 0
