No. 6 soft computing

 #include<iostream>

#include<math.h>

using namespace std;

#define n 4

#define m 3

//n=no.of training sets

//m=no.of features

int main(int argc, char const *argv[])

{

float w[]={0.1,0.1,0.1};

float lr=0.1;

int x[n][m]={{1,1,1}, {1,1,-1}, {1,-1,1},{1,-1,-1}};

int target[]={1,1,1,-1};

// for(int i=0;i<n;i++)

// {for(int j=0;j<m;j++)

// cout<<x[i][j]<<" ";

// cout<<endl;

// }

float se[n];//squared error

for(int i=0;i<n;i++)

{

cout<<"\n######### for training set i= "<<i;

float y_in=0;

for(int j=0;j<m;j++)

{

y_in+=w[j]*x[i][j];

}

cout<<"\nY_in = "<<y_in;

float error= target[i]-y_in;

cout<<"\nerror = "<<error;

se[i]=error*error;

cout<<"\nsquared error= "<<se[i];

if(se[i]<lr)

{

cout<<"weights adjusted..training stopped";

break;

}

else

{

for(int j=0;j<m;j++)

{

w[j]+=(lr*error*x[i][j]);

cout<<"\nfor j= "<<j<< "weight is"<<w[j];

}

}

}

float mse=0;

for(int k=0;k<n;k++)

{

mse+=se[k];

}

mse/=n;

cout<<"\n\n************OUTPUT**************rmse =

"<<sqrt(mse)<<"\nweights:\n";

for(int j=0;j<m;j++)

{

cout<<w[j]<<" ";

}

return 0;

}