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api:dk11:delphi:gismatrix.tgis_squarematrix.ludecomposition_tgis_squarematrix_tgis_squarematrix

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TGIS_SquareMatrix.LUDecomposition method

DK11 for Delphi | GisMatrix.TGIS_SquareMatrix.LUDecomposition | Constructors | Methods | Properties

Computes the LU (Crout) decomposition of the matrix. Does not perform pivoting.

Available also on: .NET | Java | ActiveX.

Syntax

// Delphi
public
  function LUDecomposition(
    out _lower : TGIS_SquareMatrix;
    out _upper : TGIS_SquareMatrix
  ) : Boolean;
// C++ Builder
public:
  bool LUDecomposition(
    /* out */ TGIS_SquareMatrix* &_lower,
    /* out */ TGIS_SquareMatrix* &_upper
  );

Parameters

Name Type Description
_lower TGIS_SquareMatrix returns the "lower" matrix
_upper TGIS_SquareMatrix returns the "upper" matrix

Result

Type Description
Boolean True if the LU decomposition can be performed.
2018/02/17 00:10