CVXPY
Minimize
  Sum(x * [[1.00 3.00]
 [2.00 4.00]], None, False)
Subject To
 19: 1.0 <= Sum(x, 1, False)
Bounds
 0.0 <= x
End
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AFTER COMPILATION
Minimize
  C0 + 2 C1 + 3 C2 + 4 C3
Subject To
 R0: - C0 - C2 <= -1
 R1: - C1 - C3 <= -1
Bounds
End
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GUROBI
Minimize
  x[0,0] + 3 x[0,1] + 2 x[1,0] + 4 x[1,1]
Subject To
 19[0]: x[0,0] + x[0,1] >= 1
 19[1]: x[1,0] + x[1,1] >= 1
Bounds
End