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wurongjun

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function zsfc
k=0;
for x1=1:10
    for x2=x1:10
        x3=10-x1-x2;
        if x3>x2 | x3==x2
        k=k+1;A(k,=[x1 x2 x3];
        end
    end
end
A
ÔËÐнá¹û:
>>
A =

     1     1     8
     1     2     7
     1     3     6
     1     4     5
     2     2     6
     2     3     5
     2     4     4
     3     3     4
ÉÆ¶ñµ½Í·ÖÕÓб¨,È˼äÕýµÀÊDz×É£.
2Â¥2017-06-26 07:45:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÃîÓï¼»¨

ľ³æ (СÓÐÃûÆø)

%ÏÈ×öÒ»¸ö´ú»»Ê¹µÃ£º
%x_(1)=y_(1)
%x_(2)=y_(1)+y_(2)
%x_(3)=y_(1)+y_(2)+y_(3)
%...
%x_(k)=y_(1)+y_(2)+...+y_(k)
%ÆäÖÐy_£¨1£©>=1; y_(i)>=0   (2<=i<=k)
%×îÖÕÓÐk*y_(1)+(k-1)*y_(2)+...+y_(k)=m

%¶ÔÓÚά¶È½ÏСµÄ ²»·ÁÖ±½ÓÑ­»·
p=1;
for i=1:fix(10/3)
    for j=0:fix((10-3*i)/(3-1))
        for l=0:fix((10-3*i-(3-1)*j)/(3-2))
      
            if  3*i+(3-1)*j+l*(3-2)==10   
            x{p}=cumsum([i,j,l]);
            p=p+1;
            end
      
        end
    end
end
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3Â¥2017-06-26 08:30:58
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