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Home MathPack Matrix Classes TIntMatrix, TMatrix and TMat3D Methods CalcHatMatrix  
See also: CalcHatMatrix (OpenArrays), Invert  
CalcHatMatrix 

The function CalcHatMatrix calculates the hat matrix and stores the result in matrix HatMat: HatMat := X(X^{T}X)^{1}X^{T} The function returns the following error codes:0 ... everything is OK
