fou77 o - プログラム倉庫

class fou{
public static void main(String args[]){
double data[]=new double[101];
double delta,h;
double alpha[]=new double[100];
int m,n;

for (n=0;n<101;n++){
data[n]=100;
}

delta=Math.PI/10000;

for (m=0;m<100;m++){
alpha[m]=seekalpha(m,data);
}

System.out.println(seekfou(alpha,20*delta));

}

public static double seekalpha(int m,double[] data){
int n,nx,n1,n2;
double delta,x1,x2,y1,y2,z;
delta=Math.PI/(10000);
z=0;
for (nx=-9999;nx<10000;nx++){
n=nx;
if (n<0)n=-n;
x1=nx*delta;
n1=(int)(n/10000);
y1=data[n1]*Math.cos(m*x1);
z=z+delta*y1;
}
z=z/Math.PI;
return z;
}

public static double seekfou(double[] alpha,double x){
double z;
int m;
z=alpha[0]/2;
for (m=1;m<100;m++){
z=z+alpha[m]*Math.cos(m*x);
}
return z;
}

}