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The goal programming problem with the objective function min P1(d1+) +P2(d2-) is initially solved by the computer and the objective function value is 0.What constraint should be added for the second problem?
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A person who was formerly enslaved but has since gained freedom, either through legal emancipation, escape, or the end of slavery as an institution.
Abraham Lincoln
The 16th President of the United States, who led the country during the Civil War and issued the Emancipation Proclamation.
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Refers to the social group consisting of people who are employed for wages, especially in manual or industrial work.
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