CVXPY
Minimize
  Sum(m[0:2, 0:2], None, False)
Subject To
Bounds
 0.0 <= m
End
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AFTER COMPILATION
OBJECTIVE
  Sense            : minimize
VARIABLES
  [continuous] <x_0>: obj=1, original bounds=[-inf,+inf]
  [continuous] <x_1>: obj=1, original bounds=[-inf,+inf]
  [continuous] <x_2>: obj=1, original bounds=[-inf,+inf]
  [continuous] <x_3>: obj=1, original bounds=[-inf,+inf]
CONSTRAINTS
  [linear] <c1>:  -<x_0>[C] <= 0;
  [linear] <c2>:  -<x_1>[C] <= 0;
  [linear] <c3>:  -<x_2>[C] <= 0;
  [linear] <c4>:  -<x_3>[C] <= 0;
END
----------------------------------------
SCIP
OBJECTIVE
  Sense            : minimize
VARIABLES
  [continuous] <m_0_0>: obj=1, original bounds=[0,+inf]
  [continuous] <m_0_1>: obj=1, original bounds=[0,+inf]
  [continuous] <m_1_0>: obj=1, original bounds=[0,+inf]
  [continuous] <m_1_1>: obj=1, original bounds=[0,+inf]
END