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GaussNewtonHessian Property

Gets the approximate Hessian matrix of second derivatives created during the last algorithm iteration.

Namespace:  Accord.Math.Optimization
Assembly:  Accord.Math (in Accord.Math.dll) Version: 3.8.0
public double[][] Hessian { get; }
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Property Value

Type: Double

Please note that this value is actually just an approximation to the actual Hessian matrix using the outer Jacobian approximation (H ~ J'J).

See Also