CVXPY
Minimize
  conj([1. 2.]) @ A @ [1. 2.]
Subject To
Bounds
 0.0 <= A
End
----------------------------------------
AFTER COMPILATION
Minimize
  x_0 + 2 x_1 + 2 x_2 + 4 x_3
Subject To
Bounds
End
----------------------------------------
GUROBI
Minimize
  A[0,0] + 2 A[0,1] + 2 A[1,0] + 4 A[1,1]
Subject To
Bounds
End