CVXPY
Minimize
  Sum(m[[ True False], :], None, False)
Subject To
Bounds
 0.0 <= m
End
----------------------------------------
AFTER COMPILATION
OBJECTIVE
  Sense            : minimize
VARIABLES
  [continuous] <x_0>: obj=1, original bounds=[0,+inf]
  [continuous] <x_1>: obj=0, original bounds=[0,+inf]
  [continuous] <x_2>: obj=1, original bounds=[0,+inf]
  [continuous] <x_3>: obj=0, original bounds=[0,+inf]
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=0, original bounds=[0,+inf]
  [continuous] <m_1_1>: obj=0, original bounds=[0,+inf]
END