Answered: 1. Use the Simplex algorithm to solve the following LP models: а. max z = 2x1 – x2 + x3 s.t. 3x1 + x2 + x3 < 60 2x1 + x2 + 2x3 < 20 2x1 + 2x2 + x3 < 20 X1, X2,… | bartleby

5. It is possible to combine the two phases of the two-phase simplex algorithm into a single procedure by the big-M method (see Exercise 8 in Week 4 Tutorial). Let c ∈ℝ^n, 0 ≤ b ∈ℝ^m and A be an m × n matrix. Given the LP problem in the formMaximize Z = c^Txsubject to Ax = bwith x ≥ 0, x ∈ℝ^nwe form the approximating LP problemMaximize Z(M) = c^Tx - M ∑i=1^m zisubject to Ax z = bwith x ≥ 0, z ≥ 0, x ∈ℝ^n, z ∈ℝ^mIn the approximating problem z = (z1, z2, ..., zm) is a vector of artificial variab

Dualer Simplex: Erklärung, Berechnung und Beispiele

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