Gets a boolean indicating whether or not the matrix formed by taking the inverse of the product of the transpose of the regression matrix with itself is avaialble as part of the decomposition.

Namespace:  CenterSpace.NMath.Stats
Assembly:  NMathStats (in NMathStats.dll) Version: 3.4.0.0

Syntax

C#
public bool XTXInvAvailable { get; }
Visual Basic (Declaration)
Public ReadOnly Property XTXInvAvailable As Boolean
Visual C++
public:
virtual property bool XTXInvAvailable {
	bool get () sealed;
}

Implements

IRegressionCalculation..::.XTXInvAvailable

Remarks

If X is the regression matrix and ' denotes matrix transposition, then this property is true if this calculation object can return the inverse of the matrix X'X.

Remarks

For instances of QRRegressionCalculation, this is always true.

See Also