F_VN_ContainerAverageVariance

Syntax

Definition:

FUNCTION F_VN_ContainerAverageVariance : HRESULT
VAR_INPUT
    ipSrcContainer : ITcVnContainer;
END_VAR
VAR_IN_OUT
    fAverage       : LREAL;
    fVariance      : LREAL;
END_VAR
VAR_INPUT
    hrPrev         : HRESULT;
END_VAR

Inputs

Name	Type	Description
ipSrcContainer	ITcVnContainer	Source container (Arithmetic, point and vector element types are supported. For points and vectors, the euclidean norm is used.)
hrPrev	HRESULT	HRESULT indicating the result of previous operations (If SUCCEEDED(hrPrev) equals false, no operation is executed.)

In/Outputs

Name	Type	Description
fAverage	LREAL	Returns the calculated average value
fVariance	LREAL	Returns the calculated variance value

Return value

HRESULT

Weiterführende Informationen

Folgende Tabelle zeigt, welche Funktionen für welchen Container-Typ verwendet werden können:

Typen von Containern	Benutzbare Funktionen
Container von Elementen	F_VN_ContainerAverage F_VN_ContainerAverageVariance
Container von Vektoren mit je 2 Elementen	F_VN_ContainerAverageElementwise2 F_VN_ContainerAverageVarianceElementwise2
Container von Vektoren mit je 3 Elementen	F_VN_ContainerAverageElementwise3 F_VN_ContainerAverageVarianceElementwise3
Container von Vektoren mit je 4 Elementen	F_VN_ContainerAverageElementwise4 F_VN_ContainerAverageVarianceElementwise4

Required License

TC3 Vision Base

System Requirements

Development environment	Target platform	PLC libraries to include
TwinCAT V3.1.4024.54 or later	PC or CX (x64) with PL50, e.g. Intel 4-core Atom CPU	Tc3_Vision