Class LineSearch.LineSearchResult

  • Enclosing class:
    LineSearch

    public static class LineSearch.LineSearchResult
    extends Object
    Represents a LineSearch result.
    • Constructor Detail

      • LineSearchResult

        public LineSearchResult​(double stepSize,
                                double valueAtCurr,
                                double valueAtNext,
                                double[] gradAtCurr,
                                double[] gradAtNext,
                                double[] currPoint,
                                double[] nextPoint,
                                int fctEvalCount)
        Constructor
      • LineSearchResult

        public LineSearchResult​(double stepSize,
                                double valueAtCurr,
                                double valueAtNext,
                                double[] gradAtCurr,
                                double[] gradAtNext,
                                double[] pseudoGradAtNext,
                                double[] currPoint,
                                double[] nextPoint,
                                double[] signVector,
                                int fctEvalCount)
        Constructor with sign vector
    • Method Detail

      • setAll

        public void setAll​(double stepSize,
                           double valueAtCurr,
                           double valueAtNext,
                           double[] gradAtCurr,
                           double[] gradAtNext,
                           double[] currPoint,
                           double[] nextPoint,
                           int fctEvalCount)
        Update line search elements
      • setAll

        public void setAll​(double stepSize,
                           double valueAtCurr,
                           double valueAtNext,
                           double[] gradAtCurr,
                           double[] gradAtNext,
                           double[] pseudoGradAtNext,
                           double[] currPoint,
                           double[] nextPoint,
                           double[] signVector,
                           int fctEvalCount)
        Update line search elements
      • getFuncChangeRate

        public double getFuncChangeRate()
      • getStepSize

        public double getStepSize()
      • setStepSize

        public void setStepSize​(double stepSize)
      • getValueAtCurr

        public double getValueAtCurr()
      • setValueAtCurr

        public void setValueAtCurr​(double valueAtCurr)
      • getValueAtNext

        public double getValueAtNext()
      • setValueAtNext

        public void setValueAtNext​(double valueAtNext)
      • getGradAtCurr

        public double[] getGradAtCurr()
      • setGradAtCurr

        public void setGradAtCurr​(double[] gradAtCurr)
      • getGradAtNext

        public double[] getGradAtNext()
      • setGradAtNext

        public void setGradAtNext​(double[] gradAtNext)
      • getPseudoGradAtNext

        public double[] getPseudoGradAtNext()
      • setPseudoGradAtNext

        public void setPseudoGradAtNext​(double[] pseudoGradAtNext)
      • getCurrPoint

        public double[] getCurrPoint()
      • setCurrPoint

        public void setCurrPoint​(double[] currPoint)
      • getNextPoint

        public double[] getNextPoint()
      • setNextPoint

        public void setNextPoint​(double[] nextPoint)
      • getSignVector

        public double[] getSignVector()
      • setSignVector

        public void setSignVector​(double[] signVector)
      • getFctEvalCount

        public int getFctEvalCount()
      • setFctEvalCount

        public void setFctEvalCount​(int fctEvalCount)
      • getInitialObject

        public static LineSearch.LineSearchResult getInitialObject​(double valueAtX,
                                                                   double[] gradAtX,
                                                                   double[] x)
        Initial linear search object.
      • getInitialObjectForL1

        public static LineSearch.LineSearchResult getInitialObjectForL1​(double valueAtX,
                                                                        double[] gradAtX,
                                                                        double[] pseudoGradAtX,
                                                                        double[] x)
        Initial linear search object for L1-regularization.
      • getInitialObject

        public static LineSearch.LineSearchResult getInitialObject​(double valueAtX,
                                                                   double[] gradAtX,
                                                                   double[] pseudoGradAtX,
                                                                   double[] x,
                                                                   double[] signX,
                                                                   int fctEvalCount)