The goal programming problem with the objective function min ...

[saliriagwu]

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.

[Swizqar]

Answer to Question 1

A

Answer to Question 2

B

[saliriagwu]

Thanks for the timely response, appreciate it

[irishcancer18]

Gracias!