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songzq

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[ÇóÖú] ÈçºÎ½«m¸öÒѾ­ÓÉСµ½´óÅÅÐòµÄÊý×éÔªËØ°´´ÓСµ½´ó±àÂë³Én¸ö×ÔÈ»Êý(m<n)? ÒÑÓÐ1È˲ÎÓë

X=[2.1 3.5 4.0 6.7 8.1 8.5];
m=6;n=4;

%X=[-28.6842  -22.8615  -16.4373   -4.4710   -1.4859    2.6217    6.1314    7.8344    9.2352   15.9780 20.6900   22.5432   25.1353   28.0081   28.9764];
%m=15;n=10;
  for i=1:m-1
    Xsub(i)=X(i+1)-X(i);
  end
      
   %È¡XsubÖÐ×îСµÄm-n¸öÊý£¬²¢¼Ç¼ÏÂÕâЩÊý¶ÔÓ¦µÄXsortÖеļõÊýÓë±»¼õÊý
    Xsub_Temp=Xsub;
    [B, IX] = sort(Xsub_Temp);%BΪÅÅÐòºóµÄÊý×飬IXÎªÔ­ÔªËØµÄλÖÃ
    MINIndex=IX(1:m-n);%µÃµ½m-n¸ö×îСÊýµÄË÷Òý
      
    %¶ÔXsortÿ¸öά¶È°´´ÓСµ½´óµÄ˳Ðò£¬ÒÀ´Î¸³ÖµÎª1~nµÄ×ÔÈ»Êý£¬½«Éϲ½ÖмǼϵÄXsubµÄÊýËù¶ÔÓ¦µÄ¼õÊýÓë±»¼õÊý¸³ÖµÎªÏàͬµÄÖµ
    i=1;tempn=1;
    Xsort_temp=zeros(1,m);
    while i<=m
        flag=ismember(i,MINIndex);
        if flag>0
              Xsort_temp(i)=tempn;
              i=i+1;
              Xsort_temp(i)=tempn;
              tempn=tempn+1;
              i=i+1;%ÖØÒª
              continue
        else
              Xsort_temp(i)=tempn;
              i=i+1;
        end
        tempn=tempn+1;
      end
      
   Xsort_temp

%Xsort_tempÊä³öµÄ½á¹ûµÄ 1     2     2     3     4     4,µ«½«X»»×÷15¸öÊýµÄÀý×Óʱ£¬½á¹ûÊDz»¶ÔµÄ£¬°´´ËËã·¨(m=15£¬n=10ʱ)
%Xsort_tempÓ¦¸ÃÊä³ö£º1 2 3 4 5 6 6 7 7 8 8 9 9 10 10
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handsomeys

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2Â¥2014-05-26 12:35:43
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songzq

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
2Â¥: Originally posted by handsomeys at 2014-05-26 12:35:43
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