概念学习（Concept Learning）

这是概念学习的一个简单示例的C++代码。

 

 1 #include <iostream>  2 using namespace std;  3 typedef enum Sky{Sunny,Rainy}Sky;  4 typedef enum AirTemp{Warm,Cold,Cool}AirTemp;  5 typedef enum Humidity{Normal,High}Humidity;  6 typedef enum Wind{Strong}Wind;  7 //typedef enum Water{Warm,Cold}Water;  8 typedef enum Forecast{Same,Change}Forecast;  9 typedef struct Sample  10 {  11  Sky sky;  12  AirTemp airTemp;  13  Humidity humidity;  14  Wind wind;  15  AirTemp water;  16  Forecast forecast;  17 bool EnjoySport;  18 }Sample;  19 typedef struct Record  20 {  21  Sample yangben;  22 int xiabiao[6];  23 }Record;  24 void InitSampleArray(Sample sap[4])  25 {  26 sap[0].sky = Sunny;  27 sap[0].airTemp = Warm;  28 sap[0].humidity = Normal;  29 sap[0].wind = Strong;  30 sap[0].water = Warm;  31 sap[0].forecast = Same;  32 sap[0].EnjoySport = true;  33 sap[1].sky = Sunny;  34 sap[1].airTemp = Warm;  35 sap[1].humidity = High;  36 sap[1].wind = Strong;  37 sap[1].water = Warm;  38 sap[1].forecast = Same;  39 sap[1].EnjoySport = true;  40 sap[2].sky = Rainy;  41 sap[2].airTemp = Cold;  42 sap[2].humidity = High;  43 sap[2].wind = Strong;  44 sap[2].water = Warm;  45 sap[2].forecast = Change;  46 sap[2].EnjoySport = false;  47 sap[3].sky = Sunny;  48 sap[3].airTemp = Warm;  49 sap[3].humidity = High;  50 sap[3].wind = Strong;  51 sap[3].water = Cool;  52 sap[3].forecast = Change;  53 sap[3].EnjoySport = true;  54 }  55 void InitRecord(Sample& s,Record& r)  56 {  57 r.yangben.airTemp = s.airTemp;  58 r.yangben.EnjoySport = s.EnjoySport;  59 r.yangben.forecast = s.forecast;  60 r.yangben.humidity = s.humidity;  61 r.yangben.sky = s.sky;  62 r.yangben.water = s.water;  63 r.yangben.wind = s.wind;  64 for(int i = 0;i < 6;i++)  65 r.xiabiao[i] = 1;  66  67 }  68 void GenerateRule(Sample sap[],Record& record)  69 {  70 for(int i = 1;i < 4;i++)  71  {  72 if(sap[i].EnjoySport == true)  73  {  74 if(sap[i].airTemp != record.yangben.airTemp)  75  {  76 record.xiabiao[0] = 0;  77  }  78 if(sap[i].forecast != record.yangben.forecast)  79  {  80 record.xiabiao[1] = 0;  81  }  82 if(sap[i].humidity != record.yangben.humidity)  83  {  84 record.xiabiao[2] = 0;  85  }  86 if(sap[i].sky != record.yangben.sky)  87  {  88 record.xiabiao[3] = 0;  89  }  90 if(sap[i].water != record.yangben.water)  91  {  92 record.xiabiao[4] = 0;  93  }  94 if(sap[i].wind != record.yangben.wind)  95  {  96 record.xiabiao[5] = 0;  97  }  98  }  99  } 100 for(int i = 0;i < 6;i++) 101  { 102 cout << record.xiabiao[i] << endl; 103  } 104 } 105 void Test(Sample& test,Record& record) 106 { 107 test.EnjoySport = true; 108 if(record.xiabiao[0] == 1) 109  { 110 if(record.yangben.airTemp != test.airTemp) 111  { 112 test.EnjoySport = false; 113  } 114  } 115 else if(record.xiabiao[1] == 1) 116  { 117 if(record.yangben.forecast != test.forecast) 118  { 119 test.EnjoySport = false; 120  } 121  } 122 else if(record.xiabiao[2] == 1) 123  { 124 if(record.yangben.humidity != test.humidity) 125  { 126 test.EnjoySport = false; 127  } 128  } 129 else if(record.xiabiao[3] == 1) 130  { 131 if(record.yangben.sky != test.sky) 132  { 133 test.EnjoySport = false; 134  } 135  } 136 else if(record.xiabiao[4] == 1) 137  { 138 if(record.yangben.water != test.water) 139  { 140 test.EnjoySport = false; 141  } 142  } 143 else if(record.xiabiao[5] == 1) 144  { 145 if(record.yangben.wind != test.wind) 146  { 147 test.EnjoySport = false; 148  } 149  } 150 151 if(test.EnjoySport == true) 152  { 153 cout << "喜欢运动！" << endl; 154  } 155 else 156  { 157 cout << "不喜欢运动！" << endl; 158  } 159 } 160 int main() 161 { 162 Sample sap[4]; 163  InitSampleArray(sap); 164  Record record; 165 InitRecord(sap[0],record); 166  GenerateRule(sap,record); 167  Sample test; 168 test.airTemp = Cool; 169 test.forecast = Change; 170 test.humidity = Normal; 171 test.sky = Rainy; 172 test.water = Cold; 173 test.wind = Strong; 174  Test(test,record); 175  getchar(); 176 }

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