public void out_hid(String akt2,int hidden,double[]y,double[]z){
b2=new double[out];
for(int k=0;k<out;k++){
if(akt2.equals("bipolar")){
b2[k]=0.5*(1+y[k])*(1-y[k]);
}else if(akt2.equals("tangen")){
b2[k]=(1+y[k])*(1-y[k]);//1-Math.pow(Math.tanh(yin[k]),2);//(1+(1-Math.exp(-2*yin[k]))/(1+Math.exp(-2*yin[k])))*(1-(1-Math.exp(-2*yin[k]))/(1+Math.exp(-2*yin[k])));
}else if(akt2.equals("elliot")){
b2[k]=Math.pow((1-Math.abs(y[k])),2);//1/(Math.pow((1+Math.abs(yin[k])),2));
}
}
w=new double[hidden][out];
for(int i=0;i<hidden;i++){
for(int j=0;j<out;j++){
w[i][j]=b2[j]*z[i];
}
}
}
public void hid_in(String akt1,int hidden,double[]z,double[]x,double[][]w){
double sum_b1=0;
double[]deriv_z=new double[hidden];

b1=new double[hidden];
for(int k=0;k<hidden;k++){
if(akt1.equals("bipolar")){
deriv_z[k]=0.5*(1+z[k])*(1-z[k]);
}else if(akt1.equals("tangen")){
deriv_z[k]=(1+z[k])*(1-z[k]);//1-Math.pow(Math.tanh(zin[k]),2);//(1+(1-Math.exp(-2*zin[k]))/(1+Math.exp(-2*zin[k])))*(1-(1-Math.exp(-2*zin[k]))/(1+Math.exp(-2*zin[k])));
}else if(akt1.equals("elliot")){
deriv_z[k]=Math.pow((1-Math.abs(z[k])),2);
}
//hitung nilai d1
for(int j=0;j<out;j++){
sum_b1+=b2[j]*w[k][j];
//System.out.println(b2[j]*w[k][j]);
}b1[k]=sum_b1*deriv_z[k];sum_b1=0;

}
v=new double[in][hidden];
//hitung nilai koreksi bobot v
for(int i=0;i<in;i++){
for(int j=0;j<hidden;j++){
v[i][j]=b1[j]*x[i];
}
}
}

int all=(in*2)+2+(2*1)+1,input=4;
jt=new double[all][input];hess=new double[all][all];
mi=new double[all][all];hmi=new double[all][all];
gd=new double[all];upw=new double[all];x=new double[all][all];
double sum_gd=0,sum_h=0,sum_dw=0,sum_hess=0;
for(int i=0;i<input;i++){
for(int j=0;j<all;j++){
jt[j][i]=jacobian[i][j];
}
}
for(int i=0;i<all_w.length;i++){
for(int j=0;j<input;j++){
sum_gd+=jt[i][j]*err[j];
}gd[i]=sum_gd;sum_gd=0;
}
for(int i=0;i<all_w.length;i++){
for(int j=0;j<all_w.length;j++){
for(int k=0;k<input;k++){
sum_h+=jt[i][k]*jacobian[k][j];
}hess[i][j]=sum_h;sum_h=0;
}
}
for(int i=0;i<all_w.length;i++){
for(int j=0;j<all_w.length;j++){
if(i==j){mi[i][j]=miu;}
else mi[i][j]=0;
}
}
for(int i=0;i<all_w.length;i++){
for(int j=0;j<all_w.length;j++){
hmi[i][j]=hess[i][j]+mi[i][j];
}
}
Matrix a=new Basic2DMatrix(hmi);
Matrix h=a.inverse(Matrices.DEFAULT_INVERTOR);
for(int i=0;i<all;i++){
for(int j=0;j<all;j++){
hmi[i][j]=h.get(i, j);
}
}//System.out.println(h);
for(int i=0;i<all_w.length;i++){
for(int j=0;j<all_w.length;j++){
sum_dw+=hmi[i][j]*gd[j];
}upw[i]=all_w[i]-sum_dw;sum_dw=0;
}
int dekom=0;
v_=new double[in][hidden];

for(int i=0;i<in;i++){
for(int j=0;j<hidden;j++){
BigDecimal bd = new BigDecimal(upw[dekom]);
bd = bd.setScale(decimalPlace,BigDecimal.ROUND_UP);
v_[i][j]=bd.doubleValue();
dekom+=1;
}
}
b1_=new double[hidden];
for(int j=0;j<hidden;j++){
BigDecimal bd = new BigDecimal(upw[dekom]);
bd = bd.setScale(decimalPlace,BigDecimal.ROUND_UP);
b1_[j]=bd.doubleValue();;
dekom+=1;
}
w_=new double[hidden][out];
for(int j=0;j<hidden;j++){
for(int k=0;k<out;k++){
BigDecimal bd = new BigDecimal(upw[dekom]);
bd = bd.setScale(decimalPlace,BigDecimal.ROUND_UP);
w_[j][k]=bd.doubleValue();
dekom+=1;
}
}
b2_=new double[out];
for(int k=0;k<out;k++){
BigDecimal bd = new BigDecimal(upw[dekom]);
bd = bd.setScale(decimalPlace,BigDecimal.ROUND_UP);
b2_[k]=bd.doubleValue();
dekom+=1;
}

}