AHP（使用于某项目设备重要度评估测试）

用层次法和蒙特卡洛模型计算权重系数，然后建立判断矩阵进行随机一致性检验，最后求出重要度指数。

  string calculateStr = "1,2,3,2,1,|1,2,3,2,1,|1,2,3,2,1,|1,2,3,2,1,";
             var vals = calculateStr.Split('|');
             var Strlen = vals.Length - ;
             double[,] t = new double[Strlen, Strlen];
             double RI = ;
             for (int i = ; i < Strlen; i++)
             {
                 for (int j = ; j < Strlen; j++)
                 {
                     t[i, j] = double.Parse(vals[i].Split(',')[j]);
                 }
             }

             double result = ;
             int len = t.GetUpperBound() + ;
             double[,] t1 = new double[len, len];
             double[] dNums = new double[len];
             for (int i = ; i < len; i++)
             {
                 double colResut = ;
                 for (int j = ; j < len; j++)
                 {
                     colResut += t[j, i];
                 }
                 for (int k = ; k < len; k++)
                 {
                     t1[k, i] = Sum(t[k, i], colResut);
                 }
             }

             for (int i = ; i < len; i++)
             {
                 double vector = ;
                 double colResult = ;

                 for (int j = ; j < len; j++)
                 {
                     colResult += t[j, i];
                 }

                 for (int r = ; r < len; r++)
                 {
                     vector += t1[i, r];
                 }
                 dNums[i] = vector / len;
                 result += colResult * vector / len;
             }

             if (len > )
             {
                 switch (len)
                 {
                     case :
                         RI = 0.58;
                         break;
                     case :
                         RI = 0.9;
                         break;
                     case :
                         RI = 1.12;
                         break;
                     case :
                         RI = 1.24;
                         break;
                     case :
                         RI = 1.32;
                         break;
                     case :
                         RI = 1.41;
                         break;
                     case :
                         RI = 1.46;
                         break;
                 }
             }

             var CI = (result - len) / (len - );
             var CR = CI / RI;
             Console.WriteLine(CR);

控制台代码