gg.cpp

已知二维向量数组

#include"stdio.h"
#include"iostream.h"
#include<fstream>
int x[4][3];
int w[100][6];
int M[3];
int X[2];
void sr1()
{   int i,j;
    int k=0;
	cout<<"请输入w1"<<endl;
    for(i=0;i<3;i++)
	{for(j=0;j<3;j++)        
	   {  
	       cout<<"w1"<<"["<<k<<"]=";
            cin>>w[i][j];
			k++;
       }
	}
    k=0;
	cout<<"请输入w2"<<endl;
    for(i=3;i<6;i++)
	{for(j=0;j<3;j++)
	  {  cout<<"w2"<<"["<<k<<"]=";
            cin>>w[i][j];
			k++;
       }
	}
	cout<<"训练样本为"<<endl;
	cout<<"w1=("<<w[0][0]<<","<<w[0][1]<<","<<w[0][2]<<")  ("<<w[1][0]<<","<<w[1][1]<<","<<w[1][2]<<")"<<endl;
	cout<<"w2=("<<w[2][0]<<","<<w[2][1]<<","<<w[2][2]<<")  ("<<w[3][0]<<","<<w[3][1]<<","<<w[3][2]<<")"<<endl;
	for(i=0;i<6;i++)
	{ for(j=0;j<3;j++)
	     x[i][j]=w[i][j];
	   x[i][j]=1;
	}
	for(i=2;i<6;i++)
      for(j=0;j<3;j++)
		  x[i][j]=-x[i][j];
	cout<<"增广向量:";
	cout<<"x1=("<<x[0][0]<<","<<x[0][1]<<","<<x[0][2]<<")"<<endl;
	cout<<"增广向量:";
	cout<<"x2=("<<x[1][0]<<","<<x[1][1]<<","<<x[1][2]<<")"<<endl;
	cout<<"增广向量:";
	cout<<"x3=("<<x[2][0]<<","<<x[2][1]<<","<<x[2][2]<<")"<<endl;
	cout<<"增广向量:";
	cout<<"x4=("<<x[3][0]<<","<<x[3][1]<<","<<x[3][2]<<")"<<endl;
	cout<<"增广向量:";
	cout<<"x5=("<<x[4][0]<<","<<x[4][1]<<","<<x[4][2]<<")"<<endl;
		cout<<"增广向量:";
	cout<<"x6=("<<x[5][0]<<","<<x[5][1]<<","<<x[5][2]<<")"<<endl;
	
}
void xiuzheng()
{int j;
 int k=0;
 int sum=0;
 int cishu=0;

 
 w[0][0]=1;
 w[0][1]=1;
 w[0][2]=1;
for(;cishu<10;k++)
 {   sum=0; 
	 for(j=0;j<3;j++)
	     sum+=w[k][j]*x[k%4][j];
      if(sum>0)
	  {for(j=0;j<3;j++)
		 w[k+1][j]=w[k][j];
	   cishu++;
	  }
	  else
	  {for(j=0;j<3;j++)
		 w[k+1][j]=w[k][j]+x[k%4][j];
	   cishu=0;
	  }
	  
}
for(j=0;j<3;j++)
		  M[j]=w[k][j];
cout<<"权向量:W*=("<<M[0]<<","<<M[1]<<","<<M[2]<<")"<<endl;

cout<<"分界面为:"<<M[0]<<"*x1+"<<M[1]<<"*x2+"<<M[2]<<"=0"<<endl;



}
void sr2()
{int q=0;
 cout<<"请输入待分类的样本Wx"<<endl;
 cout<<"W[x]=";
 cin>>X[0];
 cout<<"W[x1]=";
 cin>>X[1];
 q=M[0]*X[0]+M[1]*X[1]+M[2];
 if(q<0)
	 cout<<"Wx属于:w2类"<<endl;
 else
     cout<<"Wx属于:w1类"<<endl;


}
void main()
{   cout<<"请输入训练样本数据:"<<endl;
    
    sr1();
    xiuzheng();
	sr2();
	
}