±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1996  |  »Ø¸´: 27
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

relic

ľ³æ (ÕýʽдÊÖ)

[ÇóÖú] Ò»µÀ¸ÅÂÊÌ⣬Çó½â~~~

ijÄÐ ´µÐê×Ô¼º½»¹ý¶àλŮÓÑ£¬ ³ýÁË3¸öÐÇ×ùÒÔÍ⣬ÆäËûÐÇ×ùµÄ¶¼½»¹ý¡£ ÇëÎÊËûÓÐNλŮ
ÓѵĸÅÂÊÊǶàÉÙ£¿

ÐÇ×ùÒ»¹²ÓÐ12¸ö£¬ËùÒÔN¿Ï¶¨ÊÇ´óÓÚµÈÓÚ9µÄ¡£ÇëÎÊÕâ¸öÀëÉ¢·Ö²¼µÄ¸ÅÂʺ¯Êý±í´ïʽÊÇÔõ
ôÑùµÄ£¿

P£¨N£©=£¿    £¨N>=9£©



=================

ÓÐÈË˵£ºÎÊÌâµÈ¼ÛÓÚN¸öÇò·Åµ½12¸ö³éÌëÀ×îºó9¸ö³éÌëÀïÓÐÇòµÄ¸ÅÂÊ¡£ ÎÒ°´ÕÕÕâ¸ö˼·¸ø³öÒ»¹²´ð°¸£º
P£¨N£©=0.75^n        n>=9

µ«ÊÇÓÃmatlabËãÁËһϠ n´Ó9µ½10000µÄP£¨N£©ºÍÊÇ0.3003£¬ ²»µÈÓÚ1.

ËùÒÔÕâ¸ö´ð°¸¿ÉÄܲ»¶Ô

[ Last edited by relic on 2011-7-12 at 17:01 ]
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

relic

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
Originally posted by feiwch at 2011-07-12 23:07:14:
ÎÊÌâµÈ¼ÛÓÚN¸öÇò·Åµ½12¸ö³éÌëÀ×îºó9¸ö³éÌëÀïÓÐÇòµÄ¸ÅÂÊ¡£
P=[c(9,N)*(12-3)^(N-9)]/12^N      N>=9
·Ö×Ó£º9¸ö³éÌë¾ùÓÐÇò¶ø3¸ö³éÌë¾ùΪ¿ÕµÄÑù±¾µã×ÜÊý¡£
·Öĸ£ºËùÓеÄÑù±¾µã×ÜÊý¡£

ÎÒ¾õµÃÎÊÌâµÈ¼ÛÓÚ£º12¸ö³éÌ룬9´ò¿ªÒ»Ï£¬9¸ö³éÌëÓÐÇò£¬ Çò¸öÊýÊÇnµÄ¸ÅÂÊ¡£

P£¨1£©=0
p(2)=0
.
.
.
p(8)=0
p(9)>0
.
.
.
p(n)>0
5Â¥2011-07-13 04:24:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 28 ¸ö»Ø´ð

Ö»°®µ°³´·¹

гæ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÏëÎÊһϣºN=1ʱÔõô¾Í²»ÐÐÁËÄØ£¿¸Ð¾õµÈ¼ÛÐÎʽҲÓÐÎÊÌâ
ûʳöÀ´´ò½´ÓÍ£¬Ö»¿´ÌûÀ´Ë£»¬Í·¡£¿ÉÁ¯½ð±ÒʹÈ˳ΨʣÂô³ªÓëË£ºï¡£
2Â¥2011-07-12 17:43:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feiwch

ľ³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
soliton923(½ð±Ò+1): лл²ÎÓëÌÖÂÛ~~ 2011-07-12 23:13:31
relic(½ð±Ò+2): 2011-07-13 04:42:39
ÎÊÌâµÈ¼ÛÓÚN¸öÇò·Åµ½12¸ö³éÌëÀ×îºó9¸ö³éÌëÀïÓÐÇòµÄ¸ÅÂÊ¡£
P=[c(9,N)*(12-3)^(N-9)]/12^N      N>=9
·Ö×Ó£º9¸ö³éÌë¾ùÓÐÇò¶ø3¸ö³éÌë¾ùΪ¿ÕµÄÑù±¾µã×ÜÊý¡£
·Öĸ£ºËùÓеÄÑù±¾µã×ÜÊý¡£
3Â¥2011-07-12 23:07:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

relic

ľ³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
Originally posted by feiwch at 2011-07-12 23:07:14:
ÎÊÌâµÈ¼ÛÓÚN¸öÇò·Åµ½12¸ö³éÌëÀ×îºó9¸ö³éÌëÀïÓÐÇòµÄ¸ÅÂÊ¡£
P=[c(9,N)*(12-3)^(N-9)]/12^N      N>=9
·Ö×Ó£º9¸ö³éÌë¾ùÓÐÇò¶ø3¸ö³éÌë¾ùΪ¿ÕµÄÑù±¾µã×ÜÊý¡£
·Öĸ£ºËùÓеÄÑù±¾µã×ÜÊý¡£

ÕâÊÇ Ë®Ä¾ÉϵÄÍøÓѵĻظ´£¬ÇëÌÖÂÛ£º

Ìõ¼þ²»³ä·Ö°É¡£

Èç¹ûûÓÐÄã˵ÄǸöÐÅÏ¢¡°³ýÁË3¸öÐÇ×ùÒÔÍ⣬ÆäËûÐÇ×ùµÄ¶¼½»¹ý¡±£¬ÊDz»ÊÇNÊÇÈκÎÒ»¸ö
×ÔÈ»ÊýµÄ¸ÅÂʶ¼ÏàµÈ£¿

²»Ì«¿ÉÄܰɣ¿

ÄãÖ»ÄÜËãһϣ¬ÔÚNÊÇij¸öÊý×ÖÏ£¬³öÏÖ¡°³ýÁË3¸öÐÇ×ùÒÔÍ⣬ÆäËûÐÇ×ùµÄ¶¼½»¹ý¡±µÄ¸Å
ÂÊ¡£Èç¹ûûÓÐÏÈÑé¸ÅÂÊ£¬¼´Ã»ÓÐÕâ¸öÐÅÏ¢¡°³ýÁË3¸öÐÇ×ùÒÔÍ⣬ÆäËûÐÇ×ùµÄ¶¼½»¹ý¡±Ê±
µÄ¸ÅÂÊ·Ö²¼£¬ÄÇôÎÞ·¨ÖªµÀ¸ÅÂÊ·Ö²¼ÁË¡£
4Â¥2011-07-13 04:20:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¹¤¿Æ370Çóµ÷¼Á +3 äçÐļ弦µ° 2026-04-05 3/150 2026-04-06 10:55 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸Ö£ÖÝ´óѧ²ÄÁÏÓ뻯¹¤×¨Ë¶£¬Ó¢¶þÊý¶þ342·Ö£¬ÇóÀÏʦÊÕÁô +19 v12abo 2026-04-02 21/1050 2026-04-06 09:29 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸Çà¿Æ085500£¬³õÊÔ295·Ö£¬¹«¹²¿Î213·Ö +3 Óöµ½µÄÈËÔ¸Íû¶¼Ä 2026-04-05 3/150 2026-04-05 18:45 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 313Çóµ÷¼Á +5 º£ÈÕº£ÈÕ 2026-04-04 5/250 2026-04-05 15:52 by jndximd
[¿¼ÑÐ] Çó +5 »¯¹¤×¨Ë¶323·Ö 2026-04-04 5/250 2026-04-05 08:02 by 544594351
[¿¼ÑÐ] 338Çóµ÷¼Á +7 êɹ¦? 2026-04-03 7/350 2026-04-04 20:37 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Çóµ÷¼Á +6 Ë·Ë·»° 2026-04-02 7/350 2026-04-04 19:16 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 334Çóµ÷¼Á +8 ÔøÑöÖ® 2026-04-03 8/400 2026-04-04 11:16 by w_xuqing
[¿¼ÑÐ] ¿¼Ñе÷¼Á +5 СsunÒªºÃÔË 2026-04-03 5/250 2026-04-03 21:43 by à£à£à£0119
[¿¼ÑÐ] 372·Ö²ÄÁÏÓ뻯¹¤£¨085600£©Ò»Ö¾Ô¸ºþÄÏ´óѧÇóµ÷¼Á +3 À¶¼ãƬ 2026-04-03 4/200 2026-04-03 17:58 by Jimmyandyou
[¿¼ÑÐ] ³õÊԳɼ¨337ÕÒµ÷¼Á +3 ??? ?. ? 2026-04-03 3/150 2026-04-03 11:43 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] Ò»Ö¾Ô¸aÇø211£¬085601-307·ÖÇóµ÷¼Á +13 µ³¼ÎºÀ 2026-03-31 26/1300 2026-04-03 08:33 by 495374996
[¿¼ÑÐ] »¯Ñ§070300-×Ü·Ö378-Çóµ÷¼Á +5 ŲÒÎ×ÓµÄÅÝÅÝÌÇ 2026-04-02 5/250 2026-04-02 22:20 by ZXlzxl0425
[¿¼ÑÐ] 372·Ö²ÄÁÏÓ뻯¹¤£¨085600£©Ò»Ö¾Ô¸ºþÄÏ´óѧÇóµ÷¼Á +5 À¶¼ãƬ 2026-04-02 6/300 2026-04-02 21:37 by dongzh2009
[¿¼ÑÐ] 322Çóµ÷¼Á +5 ìäÙÒXX 2026-03-31 6/300 2026-04-02 10:08 by Çóµ÷¼Ázz
[¿¼ÑÐ] 377Çóµ÷¼Á +3 RASKIN 2026-04-02 3/150 2026-04-02 09:45 by zzchen2000
[¿¼ÑÐ] 085410 Ò»Ö¾Ô¸211 22408·ÖÊý359Çóµ÷¼Á +3 123456789qw 2026-03-31 4/200 2026-04-02 00:06 by ÒåÎÄwang
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +11 Ò»ÑùYWY 2026-03-31 11/550 2026-04-01 22:25 by zhouyuwinner
[¿¼ÑÐ] ʡ˫һÁ÷ÖØµãÒ»±¾´óѧÕÐÊÕµ÷¼Á +4 wwwwffffff 2026-03-31 7/350 2026-04-01 15:23 by wwwwffffff
[¿¼ÑÐ] 08¹¤¿Æ£¬295£¬½ÓÊÜ¿çרҵµ÷¼Á +6 lmnlzy 2026-03-31 6/300 2026-04-01 11:02 by ÄæË®³Ë·ç
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û