²é¿´: 652  |  »Ø¸´: 6
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

lwsnl

Í­³æ (ÕýʽдÊÖ)

[½»Á÷] »ý·ÖÎÊÌâ

¸½¼þÉÏÓÐͼ£¬Çó»ý·Ö£¬ÄÄλ´óÉñ·¢Á¦°ï°ïС³æ

»ý·ÖÎÊÌâ
Y9PR{7WD$)$2AW5FDRM0B20.jpg
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
lwsnl: ½ð±Ò+5 2014-09-20 11:49:50
1£®
±äÐΣ¬Integrate[1/cos(x)/(b+x^2), {x, 0, a}]

±»»ýʽ£¬1/cos(x)/(1+(x/c)^2)= 1/cos(x)*(1-(x/c)^2+(x/c)^4-(x/c)^6+(x/c)^8-¡­)
ԭʽ£¬×ª»¯Îª
Sum{ m=1, inf} Integrate[k*x^(2m)/cos(x)/(b+x^2), {x, 0, a}]

2£®ÊýÖµ½â

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

5Â¥2014-09-19 11:29:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 7 ¸ö»Ø´ð

lwsnl

Í­³æ (ÕýʽдÊÖ)

h1 R a¶¼ÊǶ¨Öµ£¬²»Òª³Á°¡
˳Æä×ÔÈ»
2Â¥2014-09-16 16:24:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lwsnl

Í­³æ (ÕýʽдÊÖ)

3Â¥2014-09-16 16:54:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

É£ºëÑò

гæ (³õÈëÎÄ̳)

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
Сľ³æ: ½ð±Ò+0.5, ¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
lwsnl: ½ð±Ò+5 2014-09-20 11:49:03
Õâ¸öÌ⣬ÎÒÏÖÔÚÍüÁËÔõô×ö£¬µ«ÊÇÄãÓÐʱ¼ä¿´¿´ÊýѧÎïÀí·½·¨ÖеÄÁôÊý¶¨ÀíÄÇÒ»Õ£¬½«ÓàÏÒ»»µô£¬Ó¦¸Ã¿ÉÒÔËã³öÀ´£¡
4Â¥2014-09-19 10:57:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤¿¼Ñе÷¼Á +7 ‹üÈA 2026-03-22 7/350 2026-03-24 21:04 by greychen00
[¿¼ÑÐ] 292Çóµ÷¼Á +4 ¶ì¶ì¶ì¶î¶î¶î¶î¶ 2026-03-24 4/200 2026-03-24 16:41 by peike
[¿¼ÑÐ] Çóµ÷¼ÁÒ»Ö¾Ô¸Î人Àí¹¤´óѧ²ÄÁϹ¤³Ì£¨085601£© +5 WW.' 2026-03-23 7/350 2026-03-24 14:50 by sprinining
[¿¼ÑÐ] 276Çóµ÷¼Á¡£ÓаëÄêµç³ØºÍ°ëÄê¸ß·Ö×Óʵϰ¾­Àú +9 ²ÄÁÏѧ257Çóµ÷¼Á 2026-03-23 10/500 2026-03-24 07:36 by wangy0907
[¿¼ÑÐ] 284Çóµ÷¼Á +10 Zhao anqi 2026-03-22 10/500 2026-03-24 00:08 by Equinoxhua
[¿¼ÑÐ] 291Çóµ÷¼Á +8 hhhhxn.. 2026-03-23 8/400 2026-03-23 23:15 by peike
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖØÇì´óѧ085700×ÊÔ´Óë»·¾³£¬×Ü·Ö308Çóµ÷¼Á +7 īīĮ 2026-03-23 8/400 2026-03-23 20:36 by Creta
[¿¼ÑÐ] 336»¯¹¤µ÷¼Á +4 Íõ´ó̹1 2026-03-23 5/250 2026-03-23 18:32 by allen-yin
[¿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] ÉúÎïѧµ÷¼Á +5 Surekei 2026-03-21 5/250 2026-03-22 14:39 by tcx007
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤306 +4 z1z2z3879 2026-03-21 4/200 2026-03-21 23:44 by ms629
[¿¼ÑÐ] ²ÄÁÏѧ˶301·ÖÇóµ÷¼Á +7 Liyouyumairs 2026-03-21 7/350 2026-03-21 22:31 by peike
[¿¼ÑÐ] 307Çóµ÷¼Á +3 ÓàÒâÇä 2026-03-18 3/150 2026-03-21 17:31 by ColorlessPI
[¿¼ÑÐ] Çóµ÷¼Á +6 Mqqqqqq 2026-03-19 6/300 2026-03-21 08:04 by JourneyLucky
[¿¼ÑÐ] 330Çóµ÷¼Á +4 С²Ä»¯±¾¿Æ 2026-03-18 4/200 2026-03-20 23:13 by JourneyLucky
[¿¼ÑÐ] Ò»Ö¾Ô¸ËÕÖÝ´óѧ²ÄÁÏÇóµ÷¼Á£¬×Ü·Ö315£¨Ó¢Ò»£© +5 sbdksD 2026-03-19 5/250 2026-03-20 22:10 by luoyongfeng
[¿¼ÑÐ] 290Çóµ÷¼Á +7 ^O^Ø¿ 2026-03-19 7/350 2026-03-20 21:43 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼Á +3 @taotao 2026-03-20 3/150 2026-03-20 19:35 by JourneyLucky
[¿¼ÑÐ] 085410È˹¤ÖÇÄÜר˶317Çóµ÷¼Á£¨0854¶¼¿ÉÒÔ£© +4 xbxudjdn 2026-03-18 4/200 2026-03-20 09:07 by ²»168
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û