Class PreconditionedConjugateGradient


  • public class PreconditionedConjugateGradient
    extends java.lang.Object
    MIT License Copyright (c) 2018 Komahan Boopathy Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Ported to Java from routine dpcg in linear_algebra.f90 in linear-nonlinear-algebra package by William Gandler
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private double[][] A  
      private double[] b  
      private int[] flag  
      private int[] iter  
      private double[][] M  
      private int max_it  
      private double max_tol  
      private double[] tol  
      private double[] x  
    • Constructor Summary

      Constructors 
      Constructor Description
      PreconditionedConjugateGradient​(double[][] A, double[][] M, double[] b, int max_it, double max_tol, double[] x, int[] iter, double[] tol, int[] flag)  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void run()  
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • A

        private double[][] A
      • M

        private double[][] M
      • b

        private double[] b
      • max_it

        private int max_it
      • max_tol

        private double max_tol
      • x

        private double[] x
      • iter

        private int[] iter
      • tol

        private double[] tol
      • flag

        private int[] flag
    • Constructor Detail

      • PreconditionedConjugateGradient

        public PreconditionedConjugateGradient​(double[][] A,
                                               double[][] M,
                                               double[] b,
                                               int max_it,
                                               double max_tol,
                                               double[] x,
                                               int[] iter,
                                               double[] tol,
                                               int[] flag)
    • Method Detail

      • run

        public void run()