²é¿´: 1891  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

С°¢ÐÅ6000

гæ (³õÈëÎÄ̳)

[ÇóÖú] ÇëÎÊ´Ö²Ú¼¯Ìõ¼þÐÅÏ¢ìØºÍ»¥ÐÅÏ¢Ôõô¼ÆË㣿Óй«Ê½£¬²»ÖªµÀÎÒÀí½âÊÇ·ñÕýÈ·

Çó½Ì´Ö²Ú¼¯ÖÐÐÅÏ¢ìØºÍÌõ¼þÐÅÏ¢ìØµÄ¼ÆËã¡£¿´ÁËÏà¹ØÂÛÎÄ£¬µ«ÎÒʼÖÕ¼ÆËã²»¶Ô£¬²»ÖªµÀÊDz»ÊÇÎÒÀí½âÓÐÎó£¬Çë´ó¼Ò°ïÎÒ¿´¿´£¬¶àл£¡
ÏÖÔÚ¶¨ÒåÊÇÕâÑùµÄ£º
ÓÐÒ»¸ö¾ö²ßϵͳ£¬UΪÂÛÓò£¬CΪÌõ¼þÊôÐÔ£¬DΪ¾ö²ßÊôÐÔ¡£P¡¢QÊÇCµÄ×Ó¼¯£¬ÉèP¡¢QÔÚUÉϵ¼³öµÄ»®·Ö·Ö±ðΪX¡¢Y£¬ÆäÖУºX={X1£¬X2£¬...£¬Xn}£»Y={Y1£¬Y2£¬...£¬Ym}¡£ÔòP¡¢QÔÚÓÉUµÄ×Ó¼¯×é³ÉµÄ´úÊýÉϵĸÅÂÊ·Ö²¼Îª£º
p(Xi) =| Xi |/| U |£¬i =1£¬2£¬...£¬n£»
p(Yj) =| Yj |/| U |£¬j =1£¬2£¬...£¬m¡£ÆäÖзûºÅ|E|±íʾ¼¯ºÏEÀïµÄÔªËØÊýÁ¿¡£
ÄÇôÊôÐÔ¼¯ºÏPµÄìØH( P) ºÍÊôÐÔ¼¯ºÏPÏà¶ÔÓÚÊôÐÔ¼¯ºÏQµÄÌõ¼þìØH( Q|P ) ¼ûÏÂͼ£º

ʽ×ÓÀïlogµÄµ×ÎÒµ±ËüÊÇĬÈÏΪ10µÄ¡£
ÏÖÔÚ£¬ÎÒÔÚһƪÂÛÎÄÀï¿´µ½Ò»¸öÀý×Ó£¬¾ßÌå¾ö²ß±íÎҾͲ»Ð´ÁË£¬Ò»¹²21×éÊý¾Ý£¬Ëü°´¾ö²ßÊôÐÔDºÍÌõ¼þÊôÐÔCµÄ»®·ÖÈçͼ£º

ËüËã³öÀ´µÄ»¥ÐÅÏ¢ I(C; D)=0.5143
ÎÒÀí½âµÄ I(C; D)=H(D)-H(D|C)£¬È»ºóÎÒËãµÄH(D)=-((11/21)*LOG10(11/21)+(8/21)*LOG10(8/21)+(2/21)*LOG10(2/21))=0.404£¬È»ºóÎÒÀí½âµÄH(D|C)Ëã³öÀ´µÈÓÚ0£¬ËùÒÔÎÒµÄI(C; D)Ëã³öÀ´¾ÍµÈÓÚ0.404£¬ÎÒ²»Ã÷°×ËüµÄH(D)ºÍH(D|C)Ó¦¸ÃÊÇÔõôËãµÄ¡£
Çë´ó¼Ò°ïæ°ïÎÒ¿´¿´°É£¬H(D)ºÍH(D|C)Ó¦¸ÃÊÇÔõôËãµÄ£¿ÇóÖ¸µ¼£¬²»Éõ¸Ð¼¤£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

724053593

гæ (СÓÐÃûÆø)

4Â¥2022-07-01 18:52:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

С°¢ÐÅ6000

гæ (³õÈëÎÄ̳)

Çó»Ø´ð°¡¡£¡£¡£´ó¼Ò°ï°ï棬ΪɶûÈË¿´°¡
2Â¥2015-07-03 10:20:20
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

²»³Ô²Ýѽ

гæ (ÕýʽдÊÖ)

3Â¥2021-12-26 22:51:16
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

724053593

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by ²»³Ô²Ýѽ at 2021-12-26 22:51:16
´óÀж®ÁËÂð

¸çÃÇÄÜÁô¸öÁªÏµ·½Ê½Âð£¿ÎÒÒ²ÏëÇë½ÌÕâ¸ö

·¢×ÔСľ³æIOS¿Í»§¶Ë
5Â¥2022-07-01 18:53:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ÇóÖú +3 ÃÎÀïµÄÎÞÑÔ 2026-03-21 4/200 2026-03-21 15:49 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 22 350 ±¾¿Æ985Çóµ÷¼Á£¬ÇóÀϵÇÊÕÁô +3 ÀîéóÄÐ003 2026-03-20 3/150 2026-03-21 13:28 by ²«»÷518
[¿¼ÑÐ] 330Çóµ÷¼Á0854 +3 assdll 2026-03-21 3/150 2026-03-21 13:01 by ²«»÷518
[¿¼ÑÐ] ²ÄÁÏ 271Çóµ÷¼Á +3 Õ¹ÐÅÔÃ_ 2026-03-21 3/150 2026-03-21 10:17 by ÍõЦÓîÒ»¶¨ÊÇÑо
[¿¼ÑÐ] ¶þ±¾¿ç¿¼Ö£´ó²ÄÁÏ306Ó¢Ò»Êý¶þ +3 z1z2z3879 2026-03-17 3/150 2026-03-21 02:29 by JourneyLucky
[¿¼ÑÐ] 307Çóµ÷¼Á +10 ÀäóÏ123 2026-03-17 10/500 2026-03-21 01:54 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ£¬080502£¬354·ÖÇóµ÷¼Á +5 ÊØºòϦÑôCF 2026-03-18 5/250 2026-03-21 01:06 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷ÄϽ»´ó£¬Çóµ÷¼Á +5 ²Ä»¯ÖðÃÎÈË 2026-03-18 5/250 2026-03-21 00:26 by JourneyLucky
[¿¼ÑÐ] ²ÄÁÏרҵÇóµ÷¼Á +6 hanamiko 2026-03-18 6/300 2026-03-21 00:24 by JourneyLucky
[¿¼ÑÐ] 323Çóµ÷¼Á +3 ÍÝСͰ 2026-03-18 3/150 2026-03-20 22:54 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÄÏ»¯Ñ§£¨0703£©×Ü·Ö337Çóµ÷¼Á +8 niko- 2026-03-19 9/450 2026-03-20 21:57 by luoyongfeng
[¿¼ÑÐ] 295²ÄÁÏÇóµ÷¼Á£¬Ò»Ö¾Ô¸Î人Àí¹¤085601ר˶ +5 Charlieyq 2026-03-19 5/250 2026-03-20 20:35 by JourneyLucky
[¿¼ÑÐ] 319Çóµ÷¼Á +3 СÁ¦Æøçæçæ 2026-03-20 3/150 2026-03-20 19:47 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸¼ªÁÖ´óѧ²ÄÁÏѧ˶321Çóµ÷¼Á +11 Ymlll 2026-03-18 15/750 2026-03-20 19:40 by ¶¡¶¡*
[¿¼ÑÐ] Áº³ÉΰÀÏʦ¿ÎÌâ×é»¶Ó­ÄãµÄ¼ÓÈë +9 һѼѼӴ 2026-03-14 11/550 2026-03-19 17:22 by £¡±¾°µÒ»´Î£¡
[¿¼ÑÐ] 293Çóµ÷¼Á +11 zjlµÄºÅ 2026-03-16 16/800 2026-03-18 08:10 by zhukairuo
[¿¼ÑÐ] 277µ÷¼Á +5 ×ÔÓɼå±ý¹û×Ó 2026-03-16 6/300 2026-03-17 19:26 by Àîleezz
[¿¼ÑÐ] 326Çóµ÷¼Á +5 Éϰ¶µÄСÆÏ 2026-03-15 6/300 2026-03-17 17:26 by ruiyingmiao
[¿¼ÑÐ] »úеר˶325£¬Ñ°ÕÒµ÷¼ÁԺУ +3 y9999 2026-03-15 5/250 2026-03-16 19:58 by y9999
[¿¼ÑÐ] 318Çóµ÷¼Á +3 Yanyali 2026-03-15 3/150 2026-03-16 16:41 by houyaoxu
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û