quadraticproblem.java

来自「一个java程序编写的svm支持向量机小程序」· Java 代码 · 共 48 行

package edu.udo.cs.mySVMdb.Optimizer;

public abstract class quadraticProblem
{
    /*
     *
     *  A quadratic optimization problem
     *
     */

    // Public variables that describe the quadratic problem
    protected int n; // number of variables
    static int m=1; // number of linear constraints, 1 for now
    
    public double[] c;
    public double[] H;  // c' * x + 1/2 x' * H * x -> min
    public double[] A;
    public double[] b;  // A * x = b
    public double[] l;
    public double[] u;  // l <= x <= u
    public double[] x; 

    public double max_allowed_error;

    public quadraticProblem(){
	n = 0;
	lambda_eq=Double.NaN;
    };


    public void set_n(int new_n){
	n = new_n;
	c = new double[n];
	H = new double[n*n];
	A = new double[n];
	b = new double[n];
	l = new double[n];
	u = new double[n];
	x = new double[n];
    };


    public double lambda_eq;
    protected abstract void calc_lambda_eq();

    public abstract int solve();
};