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dubo(½ð±Ò+1): »¶Ó³£À´³ÌÐòÓïÑÔ°æÌÖÂÛ 2011-06-19 15:27:10
bluesea57(½ð±Ò+2): ÎÊÌâÒѽâ¾ö 2011-06-19 17:00:38
dubo(½ð±Ò+1): »¶Ó³£À´³ÌÐòÓïÑÔ°æÌÖÂÛ 2011-06-19 15:27:10
bluesea57(½ð±Ò+2): ÎÊÌâÒѽâ¾ö 2011-06-19 17:00:38
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sumÊǶԾØÕóÇóºÍ,numelÊÇÇó¾ØÕóËùÓÐÔªËØ¸öÊý ÀýÈç ´ËʱÇóµÃ±ÈÂʾÍÊÇsum(a( )/numel(a) = 6/9 = 2/3ÄãµÄÐèÇó,ÒªÏȶÔh·§Öµ¶þÖµ»¯Ò»´Î,È»ºó¶Ô¶þÖµ»¯½á¹ûͼƬʹÓÃÉÏÃæµÄ·½·¨¼´¿É ¼ÙÉèH·ÖÁ¿·§ÖµÎªht |

2Â¥2011-06-19 13:34:13
bluesea57
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3Â¥2011-06-19 17:10:31
libralibra
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jjdg(½ð±Ò+1): ¸Ðл²ÎÓë 2011-06-20 11:58:49
jjdg(½ð±Ò+1): ¸Ðл²ÎÓë 2011-06-20 11:58:49
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Originally posted by bluesea57 at 2011-06-19 17:10:31: ÊDz»ÊÇÄúÉϱߵļÆËã±ÈÂʵijÌÐòÖ»ÓÐÔÚ¶ÔͼƬ2Öµ»°ºó²Å¿ÉÒÔʹÓÃÄúµÄÄǸö¼ÆË㹫ʽ£¿ÎÒÀ§»óµÄÊÇ£¬SUMÊÇÇóºÍ£¬NUMELÊǼÆËãÔªËØ¸öÊý£¬¶øÄúµÄÄǸöÇó±ÈÂʹ«Ê½Ç¡ºÃÊÇʹÓÃÔªËØÖ®ºÍ±ÈÉÏÔªËØ¸öÊý£¬²»¹ýÈç¹ûͼƬ²»½øÐжþÖµ»¯ ... sum¶Ô¾ØÕóÔªËØÇóºÍ,numelÊǸöÊý Èç¹û a = [1 2 3; 3 2 1] ÄÇôsum(a( )==12, numel(a)=6ÄãÒªÇóÃæ»ý±È,¶þÖµ»¯ºósum/numelÊÇ×î¼òµ¥µÄ°ì·¨.¶þÖµ»¯ÊDZØÐëµÄ |

4Â¥2011-06-19 18:03:48
bluesea57
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- ³æºÅ: 1280476
- ×¢²á: 2011-04-28
- ÐÔ±ð: GG
- רҵ: Éú̬ϵͳÉú̬ѧ
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Originally posted by libralibra at 2011-06-19 18:03:48: sum¶Ô¾ØÕóÔªËØÇóºÍ,numelÊǸöÊý Èç¹û a = [1 2 3; 3 2 1] ÄÇôsum(a( )==12, numel(a)=6ÄãÒªÇóÃæ»ý±È,¶þÖµ»¯ºósum/numelÊÇ×î¼òµ¥µÄ°ì·¨.¶þÖµ»¯ÊDZØÐëµÄ лл£¡ |

5Â¥2011-06-20 00:02:26













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)/numel(a) = 6/9 = 2/3