±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1132  |  »Ø¸´: 9
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

sgyin

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

[½»Á÷] matlab±à³ÌÎÊÌâ

AÊÇm*3µÄ¾ØÕó£¬ÊÇm¸öÔ­×ÓµÄ×ø±êÖµ£¬ÇëÎÊÈçºÎÇóµÄËùÓÐÁ½Á½Ô­×ÓÖ®¼äµÄ¾àÀëR?(RÓ¦¸ÃÓÐm*(m-1)/2¸ö·ÖÁ¿¡£)
ÎÒÊÔ×ÅÓÃfor

for ii=1:m,
    r(ii)=sqrt((A(1,£º)-A(ii,£º)).^2);
end
ÕâÑùÖ»µÃµ½m¸öÖµ¡£
¸ÃÈçºÎ°ÑÕâ¸ö³ÌÐòÍê³É°¡£¿
лл

[ Last edited by csfn on 2008-12-29 at 20:20 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

<ahref="http://www.TickerFactory.com/"><imgborder="0"src=&am
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

y1ding

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡ï ¡ï ¡ï ¡ï ¡ï
spur(½ð±Ò+2,VIP+0):¸Ðл°ïÖú£¡
csfn(½ð±Ò+3,VIP+0):thanks~
for ii=1:m-1
   for jj=ii:m
    r(ii_ii)=sqrt((A(jj,£º)-A(ii,£º)).^2);
end
2Â¥2008-01-02 09:02:28
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

y1ding

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

for ii=1:m-1
   for jj=ii:m
    r(ii_ii)=sqrt((A(jj,£º)-A(ii,£º)).^2);
end
end
3Â¥2008-01-02 09:02:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

y1ding

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

for ii=1:m
   for jj=ii:m
    r(ii_ii)=sqrt((A(jj,£º)-A(ii,£º)).^2);
end
4Â¥2008-01-02 09:02:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

y1ding

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

for ii=1:m
   for jj=ii:m
    r(ii_ii)=sqrt((A(jj,£º)-A(ii,£º)).^2);
   end
end
5Â¥2008-01-02 09:03:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sgyin

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ллy1ding£¬Ã»¿´¶®r(ii_ii)=sqrt((A(jj,£º)-A(ii,£º)).^2);ÀïÃær(ii_ii)ÊÇʲôÒâ˼°¡£¿ÔËÐÐÒ²ÓдíÎó£º
??? Undefined function or variable 'ii_ii'.

Error in ==> D:\Program Files\MATLAB6.5\bin\win32\temp.m
On line 23  ==>     r(ii_ii)=sqrt((A(jj,£º)-A(ii,£º)).^2);

½ñÌìÎÒÒ²ÊÔÁËһϣ¬
for iii=1:m,
    for ii=1+iii:m,   
        rr((iii-1)*m-iii*(iii-1)/2+ii-iii,£º)=(A(iii,£º)-A(ii,£º)).^2;
        r((iii-1)*m-iii*(iii-1)/2+ii-iii)=(rr((iii-1)*m-iii*(iii-1)/2+ii-iii,1)^2+rr((iii-1)*m-iii*(iii-1)/2+ii-iii,2)^2+rr((iii-1)*m-iii*(iii-1)/2+ii-iii,3)^2)^(.5);
       end
end
ÕâÑùÊÇ¿ÉÒԵģ¬¿ÉÊÇrrÕâ¸ö¾ØÕó±È½Ï´ó£¬ÀË·ÑÄÚ´æ°¡

[ Last edited by sgyin on 2008-1-2 at 10:39 ]
<ahref="http://www.TickerFactory.com/"><imgborder="0"src=&am
6Â¥2008-01-02 10:30:29
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dnp

ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)

Сľ³æÀË×Ó

ÓÅÐã°æÖ÷

¡ï ¡ï ¡ï ¡ï
spur(½ð±Ò+2,VIP+0):¸Ðл°ïÖú£¡»¶Ó­³£À´£¡
csfn(½ð±Ò+2,VIP+0):thanks~
ÎÒÏëÄãµÄ¾ØÕóAÖеÄ×ø±êÖµÓÐÈý¸ö°É£¿·Ö±ð´ú±íÈýάµÄ×ø±ê£¬Äã¿ÉÒÔÕâÑùË㣺
R=[];
for i=1:m
for j=i:m
R(i,j)=sqrt((A(i,: )-A(j,: )).^2);
R(j,i)=R(i,j);
end
end
ÕâÑùÓ¦¸ÃµÃµ½µÄÊÇÒ»¸öm*mµÄ¶Ô³Æ¾ØÕ󣬶ԽÇÏßÉϵÄÔªËØÎª0¡£
Èç¹ûm<1000µÄ»°£¬ÕâÑùËãºÜ¿ì£¬¶øÇÒmatlabÕ¼µÄÄÚ´æÒ²²»´ó¡£
What would Jesus do?
7Â¥2008-01-02 11:58:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

y1ding

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

for ii=1:m
   for jj=ii:m
    r(ii,jj)=sqrt((A(jj,£º)-A(ii,£º)).^2);
   end
end
ÕâÑù²Å¶Ô£¬ii_jj´ò´íÁË
8Â¥2008-01-02 18:40:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dnp

ÈÙÓþ°æÖ÷ (ÖªÃû×÷¼Ò)

Сľ³æÀË×Ó

ÓÅÐã°æÖ÷

ºÇºÇ£¬¶ÔÓÚÆ½·½ÏîÀ´½²£¬ÔÚǰÔÚºó¶¼ÊÇÒ»ÑùµÄ£¬ÕâÑùÖ»²»¹ýÊǽ«ÐеÄÄǸö·ÅÔÚÇ°Ãæ£¬ºÃÃ÷°×Ò»µã¶øÒÑ£¬Ã¿Ò»Ðдú±íÒ»¸öÔ­×Ó£¬Ã¿Ò»ÁÐÒ²´ú±íÒ»¸öÔ­×Ó¡£
Èç¹ûÄãÄÇÑùдµÄ»°£¬ÄÇÓ¦¸ÃÖ»ÊÇÒ»¸ö¶Ô½ÇÕóÁË¡£
What would Jesus do?
9Â¥2008-01-02 18:58:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sgyin

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
Originally posted by dnp at 2008-1-2 18:58:
ºÇºÇ£¬¶ÔÓÚÆ½·½ÏîÀ´½²£¬ÔÚǰÔÚºó¶¼ÊÇÒ»ÑùµÄ£¬ÕâÑùÖ»²»¹ýÊǽ«ÐеÄÄǸö·ÅÔÚÇ°Ãæ£¬ºÃÃ÷°×Ò»µã¶øÒÑ£¬Ã¿Ò»Ðдú±íÒ»¸öÔ­×Ó£¬Ã¿Ò»ÁÐÒ²´ú±íÒ»¸öÔ­×Ó¡£
Èç¹ûÄãÄÇÑùдµÄ»°£¬ÄÇÓ¦¸ÃÖ»ÊÇÒ»¸ö¶Ô½ÇÕóÁË¡£

dnp,Äã˵µÄÓеÀÀí£¬µ«Êǵõ½Á½Á½Ô­×ÓÖ®¼äµÄ¾àÀëÊÇΪÁ˺óÃæ³ÌÐòµ÷Ó㬲»ÊÇΪÁ˺ÿ´£¬×îÏ£ÍûµÄÊÇÕ¼ÄÚ´æÉÙ£¬Ë㷨ʡʱ£¬ÒÔ¼°ÈÝÒ×µ÷Óá£ÎÒÑ¡ÔñµÄÊÇÁоØÕó±£´ærÖµ£¨r=0²»Òª£©¡£
&amp;amp;lt;ahref=&amp;amp;quot;http://www.TickerFactory.com/&amp;amp;quot;&amp;amp;gt;&amp;amp;lt;imgborder=&amp;amp;quot;0&amp;amp;quot;src=&amp;am
10Â¥2008-01-02 21:07:44
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ sgyin µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤306·ÖÕÒµ÷¼Á +12 ²×º£ÇáÖÛe 2026-04-03 13/650 2026-04-04 23:45 by lqwchd
[¿¼ÑÐ] 280Çóµ÷¼Á +3 Àîrien 2026-04-04 3/150 2026-04-04 23:32 by lqwchd
[¿¼ÑÐ] ¿É¿çרҵµ÷¼Á +3 ÖÜµÄµÃµØ 2026-04-04 6/300 2026-04-04 22:21 by barlinike
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +10 ÀÁÑòÑòÇáÖÃÓñÍÎ 2026-04-02 11/550 2026-04-04 21:56 by laoshidan
[¿¼ÑÐ] 283Çóµ÷¼Á +4 mcbbc 2026-04-03 5/250 2026-04-04 20:51 by imissbao
[¿¼ÑÐ] ÇóÉúÎïѧרҵµ÷¼Á-332·Ö +5 ÔÆ¶äåÞÍäÖ¸ÄÏ 2026-04-04 5/250 2026-04-04 10:05 by rzh123456
[¿¼ÑÐ] 322Çóµ÷¼Á +6 FZAC123 2026-04-03 6/300 2026-04-03 22:23 by ¿ÆÑÐСר¼Ò
[¿¼ÑÐ] 338Çóµ÷¼Á +7 êɹ¦? 2026-04-03 7/350 2026-04-03 16:46 by wxiongid
[¿¼ÑÐ] ²ÄÁÏר˶322·Ö +13 ¹þ¹þ¹þºðºðºð¹þ 2026-04-01 13/650 2026-04-03 16:08 by ŶŶ123
[¿¼ÑÐ] Ò»Ö¾Ô¸»ª¶«Àí¹¤´óѧ£¬080500ѧ˶£¬317·Ö£¬Çóµ÷¼Á +13 s1145 2026-03-31 15/750 2026-04-03 11:44 by msi123
[¿¼ÑÐ] 289Çóµ÷¼Á +4 Acesczlo 2026-03-29 5/250 2026-04-03 10:09 by ²»168
[¿¼ÑÐ] 293Çóµ÷¼Á +4 çæçæÀÖ 2026-04-02 4/200 2026-04-02 20:10 by 6781022
[¿¼ÑÐ] 08¿ªÍ·¿´¹ýÀ´£¡£¡£¡ +4 wwwwffffff 2026-03-31 6/300 2026-04-02 11:42 by ¾ùÖµ»Ø¹é
[¿¼ÑÐ] Ò»Ö¾Ô¸9³õÊÔ366 ±¾Ë«·ÇÇóµ÷¼Á +4 ÔËÆøÀ´µÃÈôÓÐËÆÎ 2026-04-02 4/200 2026-04-02 09:56 by guanxin1001
[¿¼ÑÐ] 377Çóµ÷¼Á +3 RASKIN 2026-04-02 3/150 2026-04-02 09:45 by zzchen2000
[¿¼ÑÐ] 11408 321·ÖÇóµ÷¼Á +3 huchun12138 2026-03-30 4/200 2026-04-01 22:48 by guanxin1001
[¿¼ÑÐ] 085602»¯Ñ§¹¤³Ì268·Ö¶×µ÷¼Á +8 ÔÂÕÕ»¨ÁÖ¡£ 2026-04-01 8/400 2026-04-01 22:08 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] ¿¼ÑвÄÁϹ¤³Ì351·Öµ÷¼Á +5 Õû¸öºÃµÄ 2026-03-31 5/250 2026-04-01 09:36 by topgun2009
[¿¼²©] ²ÄÁÏרҵÉ격 +5 ¶ÅÓêæÃdyt 2026-03-29 5/250 2026-03-31 11:19 by oooqiao
[¿¼ÑÐ] Ò»Ö¾Ô¸´óÁ¬Àí¹¤´óѧ²ÄÁÏÇóµ÷¼Á +6 Gymno 2026-03-30 6/300 2026-03-31 07:26 by Î޼ʵIJÝÔ­
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û