±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 721  |  »Ø¸´: 8
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

guoshuo

Òø³æ (СÓÐÃûÆø)

[½»Á÷] ¡¾ÇóÖú¡¿Ê²Ã´ÊǼ¸ºÎ·Ö²¼

ʲôÊǼ¸ºÎ·Ö²¼£¿ÕÒÁËһЩ×ÊÁÏ£¬Ã»¿´Ã÷°×¡£Çë´ó¼ÒÖ¸½Ì£¡

[ Last edited by laizuliang on 2007-7-18 at 09:33 ]
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

changgs

ľ³æ (ÕýʽдÊÖ)

¡ï
mainpro(½ð±Ò+1):ллÈÈÇ黨´ð³æÓÑÎÊÌâ
¶ÀÁ¢Öظ´ÊÔÑéÖУ¬ÊÔÑéÊ״γɹ¦ËùÐèµÄÊÔÑé´ÎÊý¾ÍÊÇ·þ´Ó¼¸ºÎ·Ö²¼¡£
2Â¥2007-07-30 12:40:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

guoshuo

Òø³æ (СÓÐÃûÆø)

лл£¡Õâ¸ö¶¨Òå¿É²»¿ÉÒÔÕâÑùÀí½â£ºÈç¹û¶ÀÁ¢Öظ´ÊÔÑéÁËn´Î£¬n´Î¾ù³É¹¦£¬n>=2.¶øn+1~2n´ÎÊÔÑé¾ù²»³É¹¦¡£ÕâÑùµÄ¹ý³Ì²»·ûºÏ¼¸ºÎ·Ö²¼£¿
3Â¥2007-08-02 13:42:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

guoshuo

Òø³æ (СÓÐÃûÆø)

ÏñÅ×Ó²±Ò¹ý³Ì£¬ÊǼ¸ºÎ·Ö²¼¡£
4Â¥2007-08-02 13:44:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiang_2006

½ð³æ (ÕýʽдÊÖ)

¡ï
mainpro(½ð±Ò+1):ллÈÈÇ黨´ð³æÓÑÎÊÌâ
¼¸ºÎ·ÖÊÇÀëÉ¢Ð͸ÅÂÊ·Ö²¼µÄÒ»ÖÖ¡£ËùÃèÊöµÄÊÇnÖØ²®Å¬ÀûÊÔÑé³É¹¦µÄ¸ÅÂÊÂÊ¡£
£¨ËùνµÄ²®Å¬ÀûʵÑéÖ¸µÄÊÇÖ¸ÔÚÒ»´ÎÊÔÑéÖÐÖ»¿¼ÂÇÁ½ÖÖ½á¹û:A·¢ÉúºÍA²»·¢Éú.ÔÚÏàͬÌõ¼þϽ«²®Å¬ÀûʵÑéÖØ¸´n´Î£¬Ã¿´ÎʵÑéA·¢ÉúµÄ¸ÅÂʶ¼Ïàͬ£¬³ÆÕâÑùµÄһϵÁÐʵÑéΪnÖØ²®Å¬ÀûʵÑé¡££©
ÔÚ n´ÎÖØ²®Å¬ÀûÊÔÑéÖУ¬Ç°n-1´Î½Ôʧ°Ü£¬µÚn´Î²Å³É¹¦µÄ¸ÅÂʾͽÐ×ö¼¸ºÎ·Ö²¼¡£
5Â¥2007-08-07 09:20:33
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

guoshuo

Òø³æ (СÓÐÃûÆø)

ºÃÏñÃ÷°×µãÁË£¡Ð»Ð»´ó¼Ò£¡
6Â¥2007-08-08 10:56:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

goodluckxie

½ð³æ (ÕýʽдÊÖ)

¡ï
cuplgz(½ð±Ò+1):лл»ØÌû×Ó£¡»ØÌû½±Àø£¡
¼¸ºÎ·Ö²¼(Geometric distribution)ÊÇÀëÉ¢ÐÍ»úÂÊ·Ö²¼¡£

ÃèÊöµÚn´Î²®Å¬ÀûÊÔÑé³É¹¦µÄ»úÂÊ¡£

ÏêϸµÄ˵£¬ÊÇ£º n´Î²®Å¬ÀûÊÔÑ飬ǰn-1´Î½Ôʧ°Ü£¬µÚn´Î²Å³É¹¦µÄ»úÂÊ¡£

¸ÅÂÊÃܶȺ¯Êý£º
P(X = n) = (1 - p)^{n-1}p

ÆÚÍûÖµ£º
\frac{1-p}{p

±äÒìÊý£º
\frac{1-p}{p^2}

²»ÖªµÀÕâÑù»Ø´ðÓÐûÓиüÇå³þһЩ¡£
7Â¥2007-08-08 11:38:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

guoshuo

Òø³æ (СÓÐÃûÆø)

Ã÷°×ÁË£¬Ð»Ð»!
8Â¥2007-08-11 16:47:30
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

guoshuo

Òø³æ (СÓÐÃûÆø)

¾Ù¸öÀý×Ó£ºÒ»¸ö¹ý³ÌÓÐÁ½¸ö״̬£º{0£¬1}£¬ÔÚn´ÎʵÑéÖУ¬
ÆäÖÐÓÐÒ»¶Îʱ¼ä[a b],a>0,b>0,״̬¾ùΪ¡®0¡¯£»¶øÆäËû´ÎʵÑé״̬¾ùΪ¡®1¡¯¡£ÔòÕâÖÖ¹ý³Ì²»ÊǼ¸ºÎ·Ö²¼¡£¿ÉÒÔÕâÑùÀí½âÂð£¿
¾ÍÊdzɹ¦µÄ´ÎÊý²»ÄÜÁ¬ÔÚÒ»Æð¡£
²»ÄÜǰ10´Î¾ù³É¹¦£¬ºó20´Î¾ù²»³É¹¦£¬¶ø½Ó×ÅÓÖÓÐ5´Î³É¹¦£¬½ÓÏÂÀ´30´Î²»³É¹¦¡£Õâ¾Í²»ÊǼ¸ºÎ·Ö²¼£¬¶ÔÂð£¿
9Â¥2007-08-11 16:53:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ guoshuo µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 307Çóµ÷¼Á +7 ³¬¼¶ÒÁ°º´óÍõ 2026-04-06 7/350 2026-04-06 17:12 by lijunpoly
[¿¼ÑÐ] Ò»Ö¾Ô¸Ö£ÖÝ´óѧ²ÄÁÏÓ뻯¹¤085600£¬Çóµ÷¼Á +27 ³ÔµÄ²»ÉÙ 2026-04-02 27/1350 2026-04-06 15:19 by 495374996
[¿¼ÑÐ] 281Çóµ÷¼Á +8 Ò¬×ÓÄ¢¹½ 2026-04-06 8/400 2026-04-06 10:38 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 0703µ÷¼Á +13 ʰ¾ÁÒ¼ 2026-04-04 15/750 2026-04-06 10:35 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 372·Ö£¬²ÄÁÏÓ뻯¹¤£¬Ò»Ö¾Ô¸ºþÄÏ´óѧ£¬Çóµ÷¼Á +3 À¶¼ãƬ 2026-04-01 3/150 2026-04-06 09:04 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 296Çóµ÷¼Á +3 Íô£¡£¿£¡ 2026-04-05 4/200 2026-04-05 20:13 by à£à£à£0119
[¿¼ÑÐ] 315Çóµ÷¼Á +5 £¦123456789 2026-04-05 5/250 2026-04-05 19:55 by nepu_uu
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +8 ´ºÈÕÀ´ÐÅ- 2026-04-03 8/400 2026-04-05 18:58 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 363Çóµ÷¼Á +7 zh096 2026-04-04 7/350 2026-04-04 17:13 by dongzh2009
[¿¼ÑÐ] ±¾¿Æ211£¬×¨Òµ085404£¬293·ÖÇëÇóµ÷¼Á +5 Á«²Ë¾ÍÊÇź°É 2026-04-04 5/250 2026-04-04 14:08 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] 387Çóµ÷¼Á +4 °®³ÔƬ¶¹ÍÁ 2026-04-03 5/250 2026-04-04 08:10 by °¶ÉϵÄÒ»ÌõÓã
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 15615482637 2026-04-03 3/150 2026-04-03 22:50 by ms629
[¿¼ÑÐ] 285Çóµ÷¼Á +5 AZMK 2026-04-03 8/400 2026-04-03 18:17 by AZMK
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ071010£¬×Ü·Ö320Çóµ÷¼Á +7 À§À§À§À§À¤À¤ 2026-04-02 7/350 2026-04-03 17:26 by Yuena_Wang
[¿¼ÑÐ] 338Çóµ÷¼Á +4 zzz£¬£¬r 2026-04-03 4/200 2026-04-03 16:39 by lijunpoly
[¿¼ÑÐ] 266Çóµ÷¼Á +3 08µçÆø¹¤³Ì 2026-04-03 3/150 2026-04-03 14:05 by 1753564080
[¿¼ÑÐ] Çóµ÷¼Á +9 akdhjs 2026-03-31 11/550 2026-04-03 13:32 by akdhjs
[¿¼ÑÐ] 321Çóµ÷¼Á +17 y-yh 2026-04-01 20/1000 2026-04-03 12:57 by y-yh
[¿¼ÑÐ] ÉúÎïѧ327£¬Çóµ÷¼Á +5 ÊéÉϵÄ÷×Ó 2026-04-01 6/300 2026-04-02 06:47 by ilovexiaobin
[¿¼ÑÐ] ½­ËտƼ¼´óѧÕвÄÁÏÑо¿Éú +4 Su032713. 2026-04-01 5/250 2026-04-01 22:03 by cccchenso
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û