package bs; public class ex{ double[] beta=new double[11]; double alpha; int datanumber; int number; double[] y=new double[500]; double[][] x=new double[500][4]; double makedata(){ int n; double z=0; for(n=1;n<datanumber+1;n++){ double z1=1; double z2=0; if(y[n]>0)z=z+(f(n)-z1)*(f(n)-z1); if(y[n]<0)z=z+(f(n)-z2)*(f(n)-z2); } return z; } double f(int n){ int s; double z=alpha; for(s=1;s<number+1;s++){ z=z+beta[s]*x[n][s]; } double x1=Math.exp(-z); return 1/(1+x1); } }
