kernal.cs

来自「svm 多类分类 输入多种色点」· CS 代码 · 共 40 行

using System;
using System.Collections.Generic;
using System.Text;

namespace olsvm
{
    class kernal
    {
        private int domin;
        private int num;

        public kernal(int a, int b)
        {
            domin = a;
            num = b;
        }

        public double function_k(double[] x1, double[] x2, int d)
        {
            double sum = 0;
            for (int i = 0; i < domin; i++)
            {
                sum += x1[i] * x2[i];
            }
            sum += 1;
            return System.Math.Pow(sum, d);
        }

        public double gauss_K(double[] vect1, double[] vect2, double arg)
        {
            double sum = 0;
            for (int i = 0; i < domin; i++)
            {
                sum += (vect1[i] - vect2[i]) * (vect1[i] - vect2[i]);
            }
            return System.Math.Exp(-sum / (arg * arg));
        }
    }
}