²é¿´: 1042  |  »Ø¸´: 6

°ë·Ïò±±

гæ (³õÈëÎÄ̳)

[ÇóÖú] Çó´óÉñ°ïæ¿´¿´Õâ¸öÄܲ»ÄÜ»ý·Ö£¿ ÒÑÓÐ1È˲ÎÓë

»ý·Öº¯ÊýΪe-x2,  »ý·ÖÏÞΪaµ½ÕýÎÞÇî
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

»ý³öÀ´Îª²¹Îó²îº¯Êý
Integrate[exp(-x^2), {x, a, inf}]=sqrt(pi)/2*erfc(a)

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

2Â¥2015-05-19 21:56:59
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

15161130378

ľ³æ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
°ë·Ïò±±(feixiaolin´ú·¢): ½ð±Ò+5 2015-05-20 08:42:08
²»¿É»ý£¬ÊÇÎó²îº¯Êý

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
3Â¥2015-05-19 23:30:05
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

°ë·Ïò±±

гæ (³õÈëÎÄ̳)

Ëͺ컨һ¶ä
ÒýÓûØÌû:
2Â¥: Originally posted by feixiaolin at 2015-05-19 21:56:59
»ý³öÀ´Îª²¹Îó²îº¯Êý
Integrate=sqrt(pi)/2*erfc(a)

Ê®·Ö¸Ðл£¬ÊDz»ÊÇÖ»ÄܼÆËãÆä½üËÆÖµ£¬Ö±½Ó¶ÔÎó²îº¯Êý½øÐм¶ÊýÕ¹¿ª£¬´øÈëaÖµÇóµÃ
4Â¥2015-05-20 08:19:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÒýÓûØÌû:
4Â¥: Originally posted by °ë·Ïò±± at 2015-05-20 08:19:21
Ê®·Ö¸Ðл£¬ÊDz»ÊÇÖ»ÄܼÆËãÆä½üËÆÖµ£¬Ö±½Ó¶ÔÎó²îº¯Êý½øÐм¶ÊýÕ¹¿ª£¬´øÈëaÖµÇóµÃ...

ÊǵÄ
5Â¥2015-05-20 08:41:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ËÕ³Áe

ľ³æ (³õÈëÎÄ̳)

Å·À­¨C²´ËÉ»ý·Ö£¬ÓжàÖÖ·½·¨£¬»ªÂÞ¸ýÔÚ¡¶¸ßµÈÊýѧÒýÂÛ¡·ÖÐд¹ýÓöþÖØ»ý·ÖµÄÇ󷨣¬ÊDZȽϼòµ¥µÄ£¬»¹¿ÉÒÔÓæ£º¯ÊýÇó½â£¬´ËʱҪÓõ½ÓàÔª¹«Ê½¡£

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
6Â¥2015-05-20 10:11:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

minizhu

½ð³æ (СÓÐÃûÆø)

Õâ¸öÊǿɻýµÄ°¡ ¿´¿´Õý̬·Ö²¼º¯Êý¾ÍÖªµÀÁË

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
Ó¦ÓÃÊýѧ·´ÎÊÌ⣬ƫ΢·Ö
7Â¥2015-05-20 22:14:40
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ °ë·Ïò±± µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çóµ¼Ê¦ÊÕ +5 ÌìÌìºÃÔËÀ´Éϰ¶° 2026-03-24 5/250 2026-03-24 15:51 by JourneyLucky
[²ÄÁϹ¤³Ì] Ò»Ö¾Ô¸C9²ÄÁÏÓ뻯¹¤×¨Òµ×Ü·Ö300Çóµ÷¼Á +4 Âü111 2026-03-24 5/250 2026-03-24 15:44 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] 07»¯Ñ§280·ÖÇóµ÷¼Á +4 722865 2026-03-23 4/200 2026-03-24 00:01 by chixmc
[¿¼ÑÐ] 335·Ö | ²ÄÁÏÓ뻯¹¤×¨Ë¶ | GPA 4.07 | ÓпÆÑо­Àú +4 cccchenso 2026-03-23 4/200 2026-03-23 23:00 by Ðìckkk
[¿¼ÑÐ] ²ÄÁÏ/ũҵרҵ£¬07/08¿ªÍ·¾ù¿É£¬¹ýÏß¾ÍÐÐ +3 ºÇßíŶ»í 2026-03-23 4/200 2026-03-23 22:30 by Íô£¡£¿£¡
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷°²½»Í¨´óѧ²ÄÁϹ¤³Ìרҵ 282·ÖÇóµ÷¼Á +11 ·ãÇÅZL 2026-03-18 13/650 2026-03-22 20:26 by edmund7
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖÐũҵ071010£¬×Ü·Ö320Çóµ÷¼Á +5 À§À§À§À§À¤À¤ 2026-03-20 6/300 2026-03-22 17:41 by hxsm
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +5 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 5/250 2026-03-22 16:42 by tcx007
[¿¼ÑÐ] 275Çóµ÷¼Á +6 shansx 2026-03-22 8/400 2026-03-22 15:27 by barlinike
[¿¼ÑÐ] Çóµ÷¼ÁԺУÐÅÏ¢ +6 CX 330 2026-03-21 6/300 2026-03-22 15:25 by ÎÞи¿É»÷111
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©»¯¹¤´óѧ070300 ѧ˶336Çóµ÷¼Á +5 vvÃÔ 2026-03-21 8/400 2026-03-22 14:20 by ColorlessPI
[¿¼ÑÐ] 286Çóµ÷¼Á +10 Faune 2026-03-21 10/500 2026-03-21 23:34 by 314126402
[¿¼ÑÐ] »¯Ñ§µ÷¼Á +5 yzysaa 2026-03-21 5/250 2026-03-21 22:12 by peike
[¿¼ÑÐ] 336Çóµ÷¼Á +5 rmc8866 2026-03-21 5/250 2026-03-21 17:24 by ѧԱ8dgXkO
[¿¼ÑÐ] 324·Ö 085600²ÄÁÏ»¯¹¤Çóµ÷¼Á +4 llllkkkhh 2026-03-18 4/200 2026-03-21 01:24 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÄÏʦ´ó 070300£¨»¯Ñ§£©304·ÖÇóµ÷¼Á +3 0703ÎäÜ·»ÛÑ©304 2026-03-18 3/150 2026-03-21 00:48 by JourneyLucky
[¿¼ÑÐ] 294Çóµ÷¼Á²ÄÁÏÓ뻯¹¤×¨Ë¶ +15 ݤÎÉ­ÁÖ 2026-03-18 15/750 2026-03-20 23:28 by JourneyLucky
[¿¼ÑÐ] 295²ÄÁÏÇóµ÷¼Á£¬Ò»Ö¾Ô¸Î人Àí¹¤085601ר˶ +5 Charlieyq 2026-03-19 5/250 2026-03-20 20:35 by JourneyLucky
[¿¼ÑÐ] ¡¾Í¬¼ÃÈí¼þ¡¿Èí¼þ£¨085405£©¿¼ÑÐÇóµ÷¼Á +3 2026eternal 2026-03-18 3/150 2026-03-18 19:09 by ²«»÷518
[¿¼²©] 26²©Ê¿ÉêÇë +3 1042136743 2026-03-17 3/150 2026-03-17 23:30 by ÇáËɲ»ÉÙËæ
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û