fuzzy-simulation-1.cpp

来自「模糊规划」· C++ 代码 · 共 37 行

// Fuzzy Simulation
// Written by Microsoft Visual C++
// Copyright by UTLab @ Tsinghua University
// http://orsc.edu.cn/UTLab

#include <iostream.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "UTLab.h"
#define N 3000

int main(void)
{
  int    i;
  double a1,a2,f1,f2,q,f=0,g=0;

  for(i=1; i<=N; i++)  {
    a1=myu(0,2);                  //............
    a2=myu(1,3);
    f1=exp(-(a1-1)*(a1-1));  //membership function
    f2=exp(-(a2-2)*(a2-2));

    if(f2>f1)
     q=f1;
    else
     q=f2;

    if(a1-a2<=0 && f1>f) f=f1;
    if(a1-a2>0 && f1>g)  g=f1;
  }

 	if(f>g) f=1;
    if(f<g) g=1;
  printf("The credibility is %f\n",(f+1-g)/2);
  return 1;
}