Returns the capability index c_p.

Namespace: Imsl.Chart2D.QC
Assembly: ImslCS (in ImslCS.dll) Version: 6.5.0.0

Syntax

C#
public virtual double CapabilityIndexCp(
	double lowerSpecificationLimit,
	double upperSpecificationLimit
)
Visual Basic (Declaration)
Public Overridable Function CapabilityIndexCp ( _
	lowerSpecificationLimit As Double, _
	upperSpecificationLimit As Double _
) As Double
Visual C++
public:
virtual double CapabilityIndexCp(
	double lowerSpecificationLimit, 
	double upperSpecificationLimit
)

Parameters

lowerSpecificationLimit
Type: System..::.Double
The lower specification limit.
upperSpecificationLimit
Type: System..::.Double
The upper specification limit.

Return Value

The capability index c_p.

Remarks

The capability index is
c_p=\frac{\mathrm{USL}-\mathrm{LSL}}{6\sigma}
where LSL and USL are the lower and upper specification limits and
\sigma=\frac{\bar{s}}{c_{4,n}\sqrt{n}}
.

See Also