If project 1 is performed then project 2 will not be performed.This can be modeled by the constraint X₁ - X₂ $\le$ 1, where X₁ and X₂ are binary variables.

Name: If project 1 is performed then project 2 will not be performed.This can be modeled by the constraint X 1 - X 2 $\le$ 1, where X 1 and X 2 are binary variables.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The constraint should be X1 + X2 ≤ 1, not X1 - X2 ≤ 0, to ensure that if project 1 is performed (X1=1), project 2 (X2) cannot be performed, and vice versa.

If Project 1 Is Performed Then Project 2 Will Not ≤\le≤

If Project 1 Is Performed Then Project 2 Will Not $\le$