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ghw_nit

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luomia

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ghw_nit: ½ð±Ò+5, ¡ïÓаïÖú, лл 2012-08-20 15:19:10
xiegangmai: ½ð±Ò+2, ллӦÖú£¡ 2012-08-21 00:08:30
a=[2,3,4,56;2,3,7,44;3,5,8,90];
>> a

a =

     2     3     4    56
     2     3     7    44
     3     5     8    90

>> i=find(a(:,4)==44);
>> a(i,1:3)

ans =

     2     3     7
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2Â¥2012-08-20 15:04:21
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ghw_nit

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

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3Â¥2012-08-20 15:18:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

luomia

ľ³æ (ÖøÃûдÊÖ)

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¡ï
xiegangmai: ½ð±Ò+1, лл²ÎÓ룡 2012-08-21 00:08:41
ÒýÓûØÌû:
3Â¥: Originally posted by ghw_nit at 2012-08-20 15:18:53
ÆäʵÎÒÏë¶ÔÕâÑùµÄÊý¾Ý½øÐÐÊý¾ÝµÄ¾ÛÀ࣬ζÈÏà²î²»´ó¶øÇÒ¿Õ¼äµÄ¾àÀëÓÖ²»ÊǺÜÔ¶µÄһЩµã£¬ÎÒÏë°ÑËüÃǷŵ½Ò»Æð£¬ÓÃÒ»¸öµãÀ´´úÌæ£¬Ò²¾ÍÊDz»Ö»ÊǹØÐÄζȣ¬»¹Òª¹ØÐľàÀë

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4Â¥2012-08-20 16:19:56
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