GraphPolygamma Method

public Operation Polygamma(
	Output a,
	Output x,
	string opName = "Polygamma"
)

Public Function Polygamma ( 
	a As Output,
	x As Output,
	Optional opName As String = "Polygamma"
) As Operation

public:
Operation^ Polygamma(
	Output^ a, 
	Output^ x, 
	String^ opName = L"Polygamma"
)

member Polygamma : 
        a : Output * 
        x : Output * 
        ?opName : string 
(* Defaults:
        let _opName = defaultArg opName "Polygamma"
*)
-> Operation