package mlp;
public class MLP {
double[] enters;
double[] hidden;
double outer;
double[][] wEH;
double[] wHO;
/*
double[][] patterns = { //XOR
{0, 0},
{1, 0},
{0, 1},
{1, 1}
};
double[] answers = {0, 1, 1, 0};
*/
double[] patterns = { //Цифра 1
-1, -1, 1, -1, -1,
-1, -1, 1, -1, -1,
-1, 1, 1, -1, -1,
-1, -1, 1, -1, -1,
-1, -1, 1, -1, -1
};
double[] example_1 = { //Цифра 1
-1, -1, 1, -1, -1,
-1, -1, 1, -1, -1,
-1, -1, 1, -1, -1,
-1, -1, 1, -1, -1,
-1, -1, 1, -1, -1
};
double[] example_2 = { //Цифра 1
-1, -1, -1, 1, -1,
-1, -1, -1, 1, -1,
-1, -1, -1, 1, -1,
-1, -1, -1, 1, -1,
-1, -1, -1, 1, -1
};
double[] example_3 = { //Хаотично
-1, 1, -1, 1, -1,
-1, -1, -1, -1, -1,
1, -1, -1, -1, -1,
-1, 1, -1, -1, -1,
1, -1, -1, 1, -1
};
double answer = 1;
MLP()
{
enters = new double[patterns.length];
hidden = new double[2];
wEH = new double[enters.length][hidden.length];
wHO = new double[hidden.length];
init();
study();
for(int p = 0; p < patterns.length; p++)
{
enters[p] = example_1[p];
}
countOuter();
System.out.println(outer);
}
public void init()
{
for(int i = 0; i < wEH.length; i++)
{
for(int j = 0; j < wEH[i].length; j++)
{
wEH[i][j]=Math.random()*0.3 + 0.1;
}
}
for(int i = 0; i < wHO.length; i++)
{
wHO[i] = Math.random()*0.3 + 0.1;
}
}
public void countOuter()
{
for(int i = 0; i < hidden.length; i++)
{
hidden[i] = 0;
for(int j = 0; j < enters.length; j++)
{
hidden[i] += enters[j]*wEH[j][i];
}
if(hidden[i] > 0.5) hidden[i] = 1; else hidden[i] = 0;
}
outer = 0;
for(int i = 0; i < hidden.length; i++)
{
outer += hidden[i]*wHO[i];
}
if(outer > 0.5) outer = 1; else outer = 0;
}
public void study()
{
double[] err = new double[hidden.length];
double gError = 0;
do{
gError = 0;
for(int p = 0; p < patterns.length; p++)
{
enters[p] = patterns[p];
countOuter();
double lErr = answer - outer;
gError += Math.abs(lErr);
for(int i = 0; i < hidden.length; i++)
{
err[i] = lErr * wHO[i];
}
for(int i = 0; i < enters.length; i++)
{
for(int j = 0; j < hidden.length; j++)
{
wEH[i][j]+=0.1*err[j]*enters[i];
}
}
for(int i = 0; i < hidden.length; i++)
{
wHO[i] += 0.1*lErr*hidden[i];
}
}
}while(gError != 0);
}
public static void main(String[] args) {
MLP mlp = new MLP();
}
}
MLP.rar （12个子文件） 
MLP 
build.xml 4KB manifest.mf 85B src mlp MLP.java 4KB nbproject build-impl.xml 77KB private private.xml 421B private.properties 114B project.xml 511B genfiles.properties 475B project.properties 3KB build classes .netbeans_automatic_build 0B .netbeans_update_resources 0B mlp MLP.class 3KB资源评论
