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/*
* ʵÏÖ»ôÄɹæÔòµÄ¶àÏîʽ¼ÆËãʱ¼ä¸´ÔÓ¶ÈΪO(N)
*/
public class HuonaRule {
public static void main(String args[])
{
double data[]=new double[]{1.0,2,2,3,4};
double x=3;
System.out.println(huonaFunction(data,x,data.length));
}
/*
* dataΪ¶àÏîʽµÄϵÊýÊý×飬xΪֵ£¬nΪϵÊýÊý×éµÄ³¤¶È
* Y=a0+a1*X+a2*X^2+.....+an*X^n;
* Y=a0+X(a1+X(a2+X(a3+X(...))))
*/
public static double huonaFunction(double[] data,double x,int n)
{
double y=0;
int i=n-1;
while( i>=0 )
{
y=x*y+data[i];
i--;
}
return y;
}
}
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package thread;
class QQ{
private String name;
private String sex;
boolean flag=false;
public synchronized void put(String name,String sex){
if(flag)
try {
wait();
} catch (InterruptedException e ......
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package sort;
import java.util.Date;
import java.util.Random;
/*
* ²åÈëÅÅÐò
*/
public class InsertSort{
public static void main(String args[])
{
int len = 20;
Date date = new Date();
Random random = new Random(date.getSeconds()); ......
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