public virtual double ExpectationValue(
	Func<double, double> f
)

Public Overridable Function ExpectationValue ( _
	f As Func(Of Double, Double) _
) As Double

public:
virtual double ExpectationValue(
	Func<double, double>^ f
)

abstract ExpectationValue : 
        f : Func<float, float> -> float 
override ExpectationValue : 
        f : Func<float, float> -> float