Consider Variation 5 of the Wyndor Glass Co. model (see Fig. 7.5 and Table 7.8), where the changes in the parameter values given in Table 7.5 are c-bar2 = 3, a-bar22 = 3, and a-bar32 = 4. Verify both algebraically and graphically that the allowable range for c1 is c1 ≥ 9/4.
Answer to relevant QuestionsFor the problem given in Table 7.5, find the allowable range for c2. Show your work algebraically, using the tableau given in Table 7.5. Then justify your answer from a geometric viewpoint, referring to Fig. 7.2. Consider the following problem. Maximize Z = –5x1 + 5x2 + 13x3, Subject to and xj ≥ 0 (j = 1, 2, 3). If we let x4 and x5 be the slack variables for the respective constraints, the simplex method yields the following ...Reconsider Prob. 7.3-4. After further negotiations with each vendor, management of the G.A. Tanner Co. has learned that either of them would be willing to consider increasing their supply of their respective subassemblies ...Consider the following problem. Minimize W = 5y1 + 4y2, Subject to and y1 ≥ 0, y2 ≥ 0. Because this primal problem has more functional constraints than variables, suppose that the simplex method has been applied directly ...Refer to Sec. 3.4 (subsection entitled "Controlling Air Pollution") for the Nori & Leets Co. problem. After the OR team obtained an optimal solution, we mentioned that the team then conducted sensitivity analysis. We now ...
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