\ Model qjh
\ Optimal solution [0.5, 5, 1.5] with objective value -5.25
\ LP format - for model browsing. Use MPS format to capture full model detail.
Minimize
  - x2 - 3 x3 + [ 2 x1 ^2 - 2 x1 * x3 + 0.2 x2 ^2 + 2 x3 ^2 ] / 2 
Subject To
 c1: x1 + x3 <= 2
Bounds
End