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MtxIntDiff.NumericGradHess Method
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Numerical gradient and Hessian matrix.

Syntax
C#
Visual Basic
public static void NumericGradHess(TRealFunction Fun, [In] TVec Pars, [In] TVec Consts, [In] object[] ObjConst, [In] TVec Grad, [In] TMtx Hess);
Parameters
Parameters 
Description 
TRealFunction Fun 
Real function of several variables. 
[In] TVec Pars 
Function variables. 
[In] TVec Consts 
Array of additional constants which can be used in math formula. 
[In] object[] ObjConst 
Array of additional constants (pointers) which can be used in math formula. 
[In] TVec Grad 
Returns calculated gradient. If needed, Grad Length and Complex properties are adjusted automatically. 
[In] TMtx Hess 
Returns calculated Hessian matrix. If needed, Hess matrix size and complex properties are adjusted automatically. 
Remarks

Calculates the numerical gradient and Hessian matrix.

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