Znn3bq.jpeg
²é¿´: 2187  |  »Ø¸´: 8
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

È˹¤ÖÇÄÜ

ľ³æ (ÖøÃûдÊÖ)

[ÇóÖú] ÇóÖúÕý̬·Ö²¼µÄº¯ÊýÊÇʲô·Ö²¼ ÒÑÓÐ2È˲ÎÓë

X·þ´ÓÕý̬·Ö²¼,X~N(EX,DX);
Y = exp(1/X^2);
ÇëÎÊY·þ´Óʲô·Ö²¼£¬×îºÃÓÐÏêϸµÄÍÆµ¼¹ý³Ì£¬Ð»Ð»£¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

want_fun

½ð³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÎÒÓÐÁ½ÖÖ·½·¨¿ÉÒÔ½â¾öËü£¬Ì«ÍíÁË£¬´²±ßûÓÐÖ½±Ê£¬µÈÆð´²ÁËÔÙ¸øÄã´ð°¸£¬ÏÈ˯ÁË£¬Èç¹ûÎÒÍüÁ˼ǵÃÌáÐÑÎÒ£¬ºÇºÇ£¬Íí°²

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

3Â¥2013-12-22 00:57:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 9 ¸ö»Ø´ð

È˹¤ÖÇÄÜ

ľ³æ (ÖøÃûдÊÖ)

»òÕßÈçºÎÇó³öYµÄ¸ÅÂÊÃܶȺ¯Êý£¿
2Â¥2013-12-22 00:16:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÇóÁ¬ÐøÐÍËæ»ú±äÁ¿º¯ÊýµÄ¸ÅÂÊÃܶÈ
ÀàËÆ×ÊÔ´ÎÒÉÏ´«¹ý¡£

» ±¾Ìû¸½¼þ×ÊÔ´Áбí

  • »¶Ó­¼à¶½ºÍ·´À¡£ºÐ¡Ä¾³æ½öÌṩ½»Á÷ƽ̨£¬²»¶Ô¸ÃÄÚÈݸºÔð¡£
    ±¾ÄÚÈÝÓÉÓû§×ÔÖ÷·¢²¼£¬Èç¹ûÆäÄÚÈÝÉæ¼°µ½ÖªÊ¶²úȨÎÊÌ⣬ÆäÔðÈÎÔÚÓÚÓû§±¾ÈË£¬Èç¶Ô°æÈ¨ÓÐÒìÒ飬ÇëÁªÏµÓÊÏ䣺xiaomuchong@tal.com
  • ¸½¼þ 1 : ÇóÁ¬ÐøÐÍËæ»ú±äÁ¿º¯ÊýµÄ¸ÅÂÊÃܶÈ.pdf
  • 2013-12-22 10:27:47, 164.36 K
4Â¥2013-12-22 10:28:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

È˹¤ÖÇÄÜ

ľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by feixiaolin at 2013-12-22 10:28:32
ÇóÁ¬ÐøÐÍËæ»ú±äÁ¿º¯ÊýµÄ¸ÅÂÊÃܶÈ
ÀàËÆ×ÊÔ´ÎÒÉÏ´«¹ý¡£

²»´í£¬ºÜÏêϸ£¬ÄܰïÎÒÍÆµ¼Ò»ÏÂÂð£¿ÒÔǰûŪ¹ý£¬ÅÂŪ´í¡£
5Â¥2013-12-22 11:20:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 085404 293Çóµ÷¼Á +9 ÓÂÔ¶¿â°®314 2026-04-08 9/450 2026-04-12 02:24 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸²ÄÁÏ¿ÆÑ§Ó빤³Ì985£¬365·Ö£¬ +7 ²Ä»¯Àî¿É 2026-04-11 9/450 2026-04-12 01:09 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +6 asdasdassda 2026-04-05 7/350 2026-04-12 00:26 by ´Ô÷ëll
[¿¼ÑÐ] Çóµ÷¼Á£¬985²ÄÁÏÓ뻯¹¤348·Ö +7 º­ÖñÁõ 2026-04-11 9/450 2026-04-11 23:13 by Ϫ½§Á÷Ë®
[¿¼ÑÐ] ²ÄÁϹ¤³ÌÈÕÓÉúÇóµ÷¼Á +7 0856?µ÷¼Á 2026-04-10 7/350 2026-04-11 21:33 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 085400 328·Ö Çóµ÷¼Á +10 ιÄãÒ»¸ö´ó³È×Ó 2026-04-09 14/700 2026-04-11 19:53 by lqspecial
[¿¼ÑÐ] 295·ÖÇóµ÷¼Á +9 ?ÒªÉϰ¶? 2026-04-10 9/450 2026-04-11 10:48 by qingpingzhu
[¿¼ÑÐ] 283Çóµ÷¼Á£¬¹¤¿Æ£¡ +12 ËÕ´òË®7777 2026-04-08 12/600 2026-04-11 10:28 by ÄæË®³Ë·ç
[¿¼ÑÐ] 275Çóµ÷¼Á +9 1624447980 2026-04-08 10/500 2026-04-11 10:20 by Delta2012
[¿¼ÑÐ] ²ÄÁÏÀà284µ÷¼Á +40 Ïë»»ÊÖ»ú²»Ïë½âÊ 2026-04-08 48/2400 2026-04-10 23:28 by 314126402
[¿¼ÑÐ] Çóµ÷¼ÁÏ£Íû»¹ÊÇÏ£ÍûÔÚɽºÓËÄÊ¡¸½½ü +3 ¿ìÀÖµÄС°×¸ë 2026-04-05 3/150 2026-04-09 17:36 by wp06
[¿¼ÑÐ] 286Çóµ÷¼Á +19 Faune 2026-04-08 20/1000 2026-04-09 08:36 by ŶŶ123
[¿¼ÑÐ] Çóµ÷¼Á +8 ³Ô¿Ú±ù¼¤Áè 2026-04-07 8/400 2026-04-09 08:03 by 5268321
[¿¼ÑÐ] Çóµ÷¼Á +13 Æâluck 2026-04-07 13/650 2026-04-08 22:46 by Öí»á·É
[¿¼ÑÐ] »úеר˶273ÇëÇóµ÷¼Á +6 ¸ýÉêÈÉÉê 2026-04-07 6/300 2026-04-08 22:41 by bljnqdcc
[¿¼ÑÐ] 277¡¢Ñ§Ë¶£¬Çóµ÷¼Á ÊýÒ»104£¬ +11 Æ¿×ÓPZ 2026-04-07 12/600 2026-04-07 23:30 by Ò»Ö»ºÃ¹û×Ó?
[¿¼ÑÐ] 316Çóµ÷¼Á +4 15318418673 2026-04-07 4/200 2026-04-07 22:12 by hemengdong
[¿¼ÑÐ] 297·Ö083200ÇóÖú +9 aekx 2026-04-05 9/450 2026-04-06 20:57 by flysky1234
[¿¼ÑÐ] 22408 331·ÖÇóµ÷¼Á +4 y__1 2026-04-06 4/200 2026-04-06 17:26 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] 332Çóµ÷¼Á +17 ССÃÏ... 2026-04-05 18/900 2026-04-06 09:51 by À¶ÔÆË¼Óê
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û