Znn3bq.jpeg
²é¿´: 415  |  »Ø¸´: 2

18112816928

гæ (³õÈëÎÄ̳)

[ÇóÖú] »ý·Ö ÒÑÓÐ1È˲ÎÓë

»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

peterflyer

ľ³æÖ®Íõ (ÎÄѧ̩¶·)

peterflyer


¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Edstrayer: ½ð±Ò+5 2017-04-23 04:31:33
Ô­»ý·Ö=Integral{ x/¦È*exp[-(x-¦Ì)/¦È]*dx , ¦Ì , ¡Þ}
=Integral{ x/¦È*exp[-(x-¦Ì)/¦È]*dx , ¦Ì , ¡Þ}
=exp(¦Ì/¦È)/¦È*Integral{ x*exp(-x/¦È)*dx , ¦Ì , ¡Þ}
=exp(¦Ì/¦È)*{Function[x*exp(-x/¦È), ¡Þ, ¦Ì ]+Integral{ exp(-x/¦È)*dx , ¦Ì , ¡Þ}}
=exp(¦Ì/¦È)*¦Ì*exp(-¦Ì/¦È) +exp(¦Ì/¦È)*¦È*exp(-¦Ì /¦È)
=¦Ì+¦È
2Â¥2017-04-22 16:24:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

18112816928

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by peterflyer at 2017-04-22 16:24:32
Ô­»ý·Ö=Integral{ x/¦È*exp*dx , ¦Ì , ¡Þ}
=Integral{ x/¦È*exp*dx , ¦Ì , ¡Þ}
=exp(¦Ì/¦È)/¦È*Integral{ x*exp(-x/¦È)*dx , ¦Ì , ¡Þ}
=exp(¦Ì/¦È)*{Function+Integral{ exp(-x/¦È)*dx , ¦Ì , ¡Þ}}
=exp(¦Ì/¦È ...

лл~

·¢×ÔСľ³æAndroid¿Í»§¶Ë
3Â¥2017-04-22 16:28:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ 18112816928 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 302·ÖÇóµ÷¼Á +9 ·²ÓïÆíÔ¸ 2026-04-08 10/500 2026-04-10 23:26 by 314126402
[¿¼ÑÐ] È˹¤ÖÇÄÜ320µ÷¼Á08¹¤À໹Óлú»áÂð +11 Õñ¡ªTZ 2026-04-10 11/550 2026-04-10 21:51 by blankyung
[¿¼ÑÐ] 282£¬Çóµ÷¼Á +10 jggshjkkm 2026-04-09 12/600 2026-04-10 14:53 by ÄæË®³Ë·ç
[»ù½ðÉêÇë] Óб¬ÁÏ£¬Ò»¸öÇàÄê½ÌʦÂô·¿µÃ400Íò£¬È»ºó»»ÁËÒ»¸öËÄÇàñ×Ó +9 babu2015 2026-04-08 9/450 2026-04-10 11:43 by ËÕ¶«ÆÂ¶þÊÀ
[¿¼ÑÐ] µ÷¼Á +4 ÇàµÆ²»¸º 2026-04-09 4/200 2026-04-10 09:55 by LHGeng
[¿¼ÑÐ] 301Çóµ÷¼Á +6 ¾²¾²ÏëÏë 2026-04-05 6/300 2026-04-10 09:15 by Delta2012
[¿¼ÑÐ] 0703»¯Ñ§Çóµ÷¼Á +21 ²»ÖªÃûµÄСئ 2026-04-08 21/1050 2026-04-09 18:55 by l_paradox
[¿¼ÑÐ] 267Çóµ÷¼Á +5 ÔÙæҲҪ³Ô·¹°¡ 2026-04-09 5/250 2026-04-09 18:47 by stone_128
[¿¼ÑÐ] 083200 ³õÊÔ305·Ö Çóµ÷¼Á Ôݲ»¿¼ÂÇ¿çרҵ +15 Claireyyyy 2026-04-09 15/750 2026-04-09 16:11 by zhuimr
[¿¼ÑÐ] µ÷¼Á +12 ÔÂ@163.com 2026-04-08 12/600 2026-04-09 14:27 by rl1980
[¿¼ÑÐ] 349ѧ¿Æ»¯Ñ§045106Çóµ÷¼Á£¬»¯Ñ§Àà¶¼¿ÉÒÔ +8 ±£ºÃ¶®¶® 2026-04-08 8/400 2026-04-09 14:03 by xulei3024
[¿¼ÑÐ] µ÷¼ÁÇóÖú£¨ÉúÎïÓëÒ½Ò©£© +6 @6952 2026-04-06 6/300 2026-04-07 23:52 by lys0704
[¿¼ÑÐ] 313Çóµ÷¼Á +3 Ê®Áùʰ½ 2026-04-07 3/150 2026-04-07 23:20 by lbsjt
[¿¼ÑÐ] 344Çóµ÷¼Á +11 κ×Óper 2026-04-07 11/550 2026-04-07 23:01 by JourneyLucky
[¿¼ÑÐ] 304Çóµ÷¼Á£¨085602£¬¹ýËļ¶£¬Ò»Ö¾Ô¸985£© +25 »¯¹¤ÈË999 2026-04-04 26/1300 2026-04-07 22:06 by hemengdong
[¿¼ÑÐ] 0854Çóµ÷¼Á +9 ºàÊÏ·¬ÇÑɳ˾ 2026-04-06 10/500 2026-04-07 14:37 by shdgaomin
[¿¼ÑÐ] Èí¹¤Ñ§Ë¶299Çóµ÷¼Á +6 useryy 2026-04-07 6/300 2026-04-07 09:50 by vgtyfty
[¿¼ÑÐ] 26×ÔÈ»µØÀíѧ303·ÖÇóµ÷¼Á +4 Ò»Õ½³É˶°¡°¡°¡° 2026-04-06 9/450 2026-04-06 20:35 by lin-da
[¿¼ÑÐ] Ò»Ö¾Ô¸°²»Õij211 0703»¯Ñ§×Ü·Ö339Çóµ÷¼Á +7 Íí·ç²»Íí 2026-04-04 7/350 2026-04-06 14:06 by houyaoxu
[¿¼ÑÐ] 331Çóµ÷¼Á +8 ÓÚÕ÷yz 2026-04-05 8/400 2026-04-06 00:54 by fmesaito
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û