MIE376 Lec 2 - Simplex.page52

MIE376 Lec 2 - Simplex.page52 - 7 x 1 and x 2 are urs...

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MIE376 - Mathematical Programmingt 52 Variables Unrestricted in Sign (urs) ± Suppose that ² x 1 and x 2 refer to changes in the production levels ± The new LP formulation is ² Maximize z = x 1 +2*x 2 ² subject to ² x 1 + 3*x 2 16 ² x 1 + x 2
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Unformatted text preview: 7 x 1 and x 2 are urs variables The departing rule is based on the assumption that all variables are non-negative Without such constraints the simplex algorithm is no longer valid...
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