%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%函數名稱：CuCao2Class( )
%參數：class1：類號1；class2：類別2；sample：待測樣品；rule：訓練規則
%返回值：rusult：分類結果
%粗糙集兩類分類
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
function result=CuCao2Class(class1,class2,sample,rule);
             sample=ceil(sample);%測試樣品二值化
             ruleNum=size(rule,1)-1;%規則數
             xNum=size(rule,1)-1;%屬性數
             result=-1;
             for i=1:ruleNum %匹配規則
             flag=true;
             for j=1:xNum
                  if(rule(i,j)=100&&sample(rule(ruleNum+1,j))=rule(i,j))
                   flag=false;
                 break;
                    end
              end
              if(flag)
              result=rule(i,xNum+1);
              break;
         end
end
%找最相近的規則
if(result==-1)
        ruleSel=zeros(1,ruleNum);
        for i=1:ruleNum
         for j=1:xNum
               if(rule(i,j)=100&&sample(rule(ruleNum+1,j))=rule(i,j))
               ruleSel(i)=ruleSel(i)+1;
               end
           end
        end
        [a b]=min(ruleSel);
        result=rule(b,xNum+1);
end