Using an artificial variable. minimize f = 2x 1 - X2
Chapter 22, Problem 22.4(choose chapter or problem)
Using an artificial variable. minimize f = 2x 1 - X2 subject to Xl ;;; O. X2 ;;; 0, X1 + X2 ;;; 5, -Xl + X2 ~ I, 5XI + 4X2 ::0; 40.
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