Dvector.java
资源名称:Weka-3-2.rar [点击查看]
上传用户:rhdiban
上传日期:2013-08-09
资源大小:15085k
文件大小:2k
源码类别:
Windows编程
开发平台:
Java
- /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- /*
- * Dvector.java
- * Copyright (C) 1999 Yong Wang
- *
- */
- package weka.classifiers.m5;
- import java.io.*;
- import java.util.*;
- import weka.core.*;
- /**
- * Class for handling a double vector.
- * @author Yong Wang (yongwang@cs.waikato.ac.nz)
- * @version $Revision: 1.4 $
- */
- public final class Dvector {
- /**
- * Returns a copy of the first n elements of a double vector
- * @param a a double vector
- * @param n a[0:n-1] will be copied
- * @return a copy of a[0:n-1]
- */
- public static final double[] copy(double a[],int n) {
- int i;
- double b[];
- b = new double[n];
- for(i=0;i<n;i++)b[i]=a[i];
- return b;
- }
- /**
- * Prints the indexed elements in a double vector
- * @param a a double vector
- * @param first the index of the first instance for printing
- * @param last the index of the last instance for printing
- */
- public static final void print(double []a,int first,int last){
- int i;
- System.out.println("Print double vector:");
- for(i=first;i<=last;i++)System.out.print("t" + M5Utils.doubleToStringG(a[i],1,3));
- System.out.println();
- }
- }
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