4. 線性規劃理論中對偶變數代表:
(A) 限制式的右手邊常數(the right-hand-side value of the constraint)
(B) 限制式的邊際價值(the marginal value of the constraint)
(C) 人工變數(the artificial variable)
(D) 目標函數係數(the coefficient of the objective value)

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統計: A(0), B(1), C(0), D(2), E(0) #589578