Package jdistlib.accelerator

Class SymmetricIndefiniteFactor

java.lang.Object
jdistlib.accelerator.SymmetricIndefiniteFactor
public final class SymmetricIndefiniteFactor extends Object
Immutable pivoted P*A*P' = L*D*L' factorization with 1x1/2x2 D blocks.

  • Constructor Details

    • SymmetricIndefiniteFactor

      public SymmetricIndefiniteFactor(int dimension, double[] lower, double[] diagonal, int[] permutation, int[] blockSizes)

  • Method Details

    • dimension

      public int dimension()

    • lower

      public double[] lower()

    • diagonalBlocks

      public double[] diagonalBlocks()

    • permutation

      public int[] permutation()

    • blockSizes

      public int[] blockSizes()

    • determinantSign

      public int determinantSign()

    • logAbsDeterminant

      public double logAbsDeterminant()

    • solve

      public double[] solve(double[] right)

    • solve

      public double[] solve(double[] right, int columns)