尤度９９９ - 経済統計練習帳

package h;
 
 
public class pro {
 
 
    public static void main(String[] args) {
    pro t=new pro();
    }        
 
    pro(){
 
 
     System.out.println(f(5,5,2));   
 
 
    }
 
    double f(double x,double mu,double sig){
double pi,f1,f2;
 
        pi=Math.PI;
 
        f2=Math.sqrt(2*pi*sig*sig);
        f1=-(x-mu)*(x-mu)/(2*sig*sig);
 
        return Math.exp(f1)/f2;
}
}