createsample.java

bp神经网络的java程序

package bp;
import javasci.SciDoubleArray;
import javasci.Scilab;

public class CreateSample {
	public static void main(String[] args) {
		int n=0;
		double in[],out[],tIn[]=new double[100],tOut[]=new double[100];
		SciDoubleArray A,B;
		for(double i=-2;i<2;i+=0.2,n++){
			tIn[n]=i;
			tOut[n]=g(i);
			System.out.println(g(i)+","+i);
		}
		in=new double[n];
		out=new double[n];
		System.arraycopy(tIn,0,in,0,n);
		System.arraycopy(tOut,0,out,0,n);
		String dir=System.getProperty("user.dir");
		A=new SciDoubleArray("A",1,n,out);
		B=new SciDoubleArray("B",1,n,in);
		Scilab.Exec("exec(''"+dir+"\\plot.sce'')");
	}
	static private double g(double x){
		return Math.abs(Math.sin(Math.PI*x/4));
	}
}