Author Question: The goal programming problem with the objective function min P1(d1+) +P2(d2-) is initially solved by ... (Read 173 times)

saliriagwu · **on:** Jun 24, 2018

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?
a. d1+ = 0
b. d1+ + d2- = 0
c. -d1+ + d2- = 0
d. d1+ 0

Question 2

Observations that are measured at the same time represent what type of data?
a. Time-series data
b. Cross-sectional data
c. Synchronous data
d. None of these choices.