public MatrixD GetSubmatrix(
	int[] rows,
	int[] columns
)

Public Function GetSubmatrix ( 
	rows As Integer(),
	columns As Integer()
) As MatrixD

public:
MatrixD^ GetSubmatrix(
	array<int>^ rows, 
	array<int>^ columns
)

member GetSubmatrix : 
        rows : int[] * 
        columns : int[] -> MatrixD