/*ˆÈ‰º‚̉ñ˜H‚ðƒVƒ~ƒ…ƒŒ�[ƒVƒ‡ƒ“�i‚½‚¾‚µŽÀ�”‚Å�ˆ—�‚·‚é�j
             w
     xn�¨(�{)�\�\�\�\�¨�E�¨(�~a0)�¨(�{)�\�¨yn
          �ª�@         �«           �ª
          �b          (‚s)          �b
          �bw3 �@�@    �«w1         �b
         (�{)�©(�~b1)�©�E�¨(�~a1)�¨(�{)
          �ª�@         �«           �ª
          �b          (‚s)          �b
          �b           �«w2         �b
         (�{)�©(�~b2)�©�E�¨(�~a2)-�¨�E
*/
#include "stdio.h"
#define NUM 2
double T[NUM],W[NUM+1]; /*’x‰„Šíƒ�ƒ‚ƒŠ(‚s), �ì‹Æƒ�ƒ‚ƒŠ(W)*/
double a[NUM+1]={0.4, 0.2,0.1};/*ak=a[k]*/
double b[NUM]={0.2,0.1};       /*b1=b[0], b2=b[1]*/
void init(){W[NUM]=0;for(int i=0;i<NUM;i++)T[i]=W[i]=0;}
double delay(double *d, double dt){double r=*d; *d=dt;return r;}
int main(void){
	double x,y,w3=0;init();
	printf("No., x,y");
	for(int i=0;i<101; i++){
		x=int(i/20)%2;         /*“ü—Í�M�†ƒVƒ~ƒ…ƒŒ�[ƒg*/
		W[0] = x + w3;         /*‰ñ˜HƒVƒ~ƒ…ƒŒ�[ƒVƒ‡ƒ“*/
		W[1]=delay(&T[0],W[0]);                      /*’x‰„‰ñ˜H*/
		for(int k=1;k<NUM;k++)W[k+1]=delay(&T[k],T[k-1]);
		w3=0; for(int k=1;k<=NUM;k++)w3+=W[k]*b[k-1];/*ƒtƒB�[ƒhƒoƒbƒN*/
		y=0 ; for(int k=0;k<=NUM;k++)y+=W[k]*a[k];   /*�o—Í�M�†*/
		printf("\n%d, %lf,%lf",i,x,y);
	}
	getchar();
	return 0;
}