//////////////////////////////////////////////////////?
//冪法求矩陣特征值（最大特征值及其對應的特征向量）?????????????//???
//author:XueYuan???Yin???????????????????//?
//date:15/11/2004?????????????????????????????//?
////////////////////////////////////////////////////?
#include????
#include????
#define???N???3?
void???matrixx（double???A[N][N]double???x[N]double???v[N]）?
{?
????????for（int???i=0;i?????????????????????{?
????????????????????????v[i]=0;?
????????????????????????for（int???j=0;j?????????????????????????????????v[i]+=A[i][j]*x[j];?
????????????????????}?
????????
}?
double???slove（double???v[N]）?
{?
????????double???max;?
????????for（int???i=0;i??v[i+1]?v[i]:v[i+1];?
????????return???max;?

}?
void???main（）?????????
{?
????????//data???input?
????????double???