类 Helpers


  • public class Helpers
    extends java.lang.Object
    • 构造器概要

      构造器 
      构造器 说明
      Helpers()  
    • 方法概要

      所有方法 静态方法 具体方法 
      修饰符和类型 方法 说明
      static double euclidianDistance​(double[] point1, double[] point2)  
      static double logSumExp​(double[] valsLogSpace)
      Helps avoiding underflow http://machineintelligence.tumblr.com/post/4998477107/the-log-sum-exp-trick
      static double logSumExp​(java.util.List<java.lang.Double> valsLogSpace)
      Helps avoiding underflow http://machineintelligence.tumblr.com/post/4998477107/the-log-sum-exp-trick
      static double[] makeSequence​(double start, double end, int length)  
      static double max​(double[] a)  
      static int maxInd​(double[] a)  
      static int nextInt​(int n)  
      • 从类继承的方法 java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • 构造器详细资料

      • Helpers

        public Helpers()
    • 方法详细资料

      • nextInt

        public static int nextInt​(int n)
      • euclidianDistance

        public static double euclidianDistance​(double[] point1,
                                               double[] point2)
      • logSumExp

        public static double logSumExp​(java.util.List<java.lang.Double> valsLogSpace)
        Helps avoiding underflow http://machineintelligence.tumblr.com/post/4998477107/the-log-sum-exp-trick
        参数:
        valsLogSpace -
        返回:
      • logSumExp

        public static double logSumExp​(double[] valsLogSpace)
        Helps avoiding underflow http://machineintelligence.tumblr.com/post/4998477107/the-log-sum-exp-trick
        参数:
        valsLogSpace -
        返回:
      • makeSequence

        public static double[] makeSequence​(double start,
                                            double end,
                                            int length)
      • maxInd

        public static int maxInd​(double[] a)
      • max

        public static double max​(double[] a)