public abstract VectorD Integrate(
	VectorD x0,
	double t0,
	double t1
)

Public MustOverride Function Integrate ( 
	x0 As VectorD,
	t0 As Double,
	t1 As Double
) As VectorD

public:
virtual VectorD^ Integrate(
	VectorD^ x0, 
	double t0, 
	double t1
) abstract

abstract Integrate : 
        x0 : VectorD * 
        t0 : float * 
        t1 : float -> VectorD