def __sub__(self, other): return MatrixBase.__sub__(self, _force_mutable(other))
def __sub__(self, other): return MatrixBase.__sub__(self, _force_mutable(other))
def __sub__(self, other): return MatrixBase.__sub__(self, _force_mutable(other))
def __sub__(self, other): return MatrixBase.__sub__(self, _force_mutable(other))