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  1. #include <stdio.h>
  2.  
  3. typedef struct {
  4.     double low;
  5.     double high;
  6. } fuzzy_set;
  7.  
  8. typedef struct {
  9.     fuzzy_set input_set;
  10.     fuzzy_set output_set;
  11. } rule;
  12.  
  13. double membership(double value, fuzzy_set fs) {
  14.     if (value <= fs.low) return 0;
  15.     if (value >= fs.high) return 1;
  16.     return (value - fs.low) / (fs.high - fs.low);
  17. }
  18.  
  19. double apply_rules(rule rules[], double input, int num_rules) {
  20.     double numerator = 0;
  21.     double denominator = 0;
  22.  
  23.     for (int i = 0; i < num_rules; i++) {
  24.  
  25.         double membership_degree = membership(input, rules[i].input_set);
  26.  
  27.         double output_center = (rules[i].output_set.low + rules[i].output_set.high) / 2;
  28.  
  29.         numerator += membership_degree * output_center;
  30.  
  31.         denominator += membership_degree;
  32.     }
  33.  
  34.     return (denominator != 0) ? (numerator / denominator) : 0;
  35. }
  36.  
  37. int main() {
  38.     rule rules[] = {
  39.         {{0, 5}, {10, 20}},   
  40.         {{3, 7}, {20, 30}},   
  41.         {{6, 10}, {30, 40}}   
  42.     };
  43.     int num_rules = sizeof(rules) / sizeof(rules[0]);
  44.  
  45.     double test_input[] = {2.0, 4.0, 6.0, 8.0};
  46.     int num_inputs = sizeof(test_input) / sizeof(test_input[0]);
  47.  
  48.     printf("Вхід | Вихід (дефаззифікація)\n");
  49.  
  50.     for (int i = 0; i < num_inputs; i++) {
  51.         double output = apply_rules(rules, test_input[i], num_rules);
  52.         printf("%.1f   | %.2f\n", test_input[i], output);
  53.     }
  54.  
  55.     return 0;
  56. }
  57.  
Success #stdin #stdout 0s 5284KB
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stdin
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Standard input is empty
stdout
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Вхід | Вихід (дефаззифікація)
2.0   | 15.00
4.0   | 17.38
6.0   | 19.29
8.0   | 23.00
https://ideone.com/nq0ti5
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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