±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1574  |  »Ø¸´: 12

abcd702848

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] Õâ´ÎµÄÎÊÌâ±ÈÉϴεĸü¼ÓÄÑÒ»µãÁË ÒÑÓÐ3È˲ÎÓë

±ÈÈ磬ÎÒ˵±ÈÈç¹þ£¬ÎÒÃÇÒÑÖªsin(x)º¯ÊýÓÐÒ»¸ö×î´óÖµÔÚpi/2Õâ¸öλÖã¬ÄÇôk1*sin(x),¶ÔÓ¦Ô­ÏȵÄ×î´óÖµ»¹ÊÇpi/2£¬µ«ÊÇsin(k2*x),Æä×î´óÖµ£¬¾ÍÊÇÔÚ(pi/2)/k2;´Ëʱ£¬Èç¹û±ä³Ék1*sin(k2*x)+sin(x),ÄÇôÕâ¸öº¯ÊýµÄ×î´óÖµËù´¦µÄλÖ㨶ÔÓ¦Ô­º¯ÊýµÄpi/2£©Ó¦¸ÃÊǶàÉÙÄØ£¬¿É²»¿ÉÒÔ½«Æä±íÊöΪһ¸ö¹ØÓÚf(k1,k2)µÄÒ»¸öº¯ÊýÄØ¡£µ±È»£¬ÕâÀïµÄsin(x)Ö»ÊÇÒ»¸öº¯ÊýµÄ´ú±í°ÕÁË£¬ÎÒÆÚÍûÄܹ»µÃµ½Ò»¸ö½âÎö½â£¬²»¹ýһֱûÓÐÍÆ³öÀ´,ÏëÓÃmatlab£¬²»¹ýÃ²ËÆÐв»Í¨¡£
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÎÒÏëÒªµÄ£¬ÎÒÒ»¶¨ÕùÈ¡£»ÎÒÏëÒªµÄ£¬µ«ÊDz»·ûºÏ¿Í¹Ûʵ¼ÊµÄ£¬Îһῴ×Å
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
»ØÌûÖ§³Ö ( ÏÔʾ֧³Ö¶È×î¸ßµÄǰ 50 Ãû )

hubeizk

Òø³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
abcd702848: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú, лл¹þ£¬¸çÃÇ 2014-02-12 15:18:14
¸ù¾Ýµ¼ÊýµÈÓÚ0ÔÙ¼ÓÉÏÏàÓ¦µÄÏÞÖÆÌõ¼þ£¬ÉÏÃæÎÊÌâÓ¦¸Ã¾Í»¯³ÉÁËÒ»¸ö·½³ÌÇó½âµÄÎÊÌ⣬ËùÒÔÎÒÏë¶ÔÓÚ¼òµ¥µÄº¯Êý¿ÉÒÔÇó³ö½âÎö½â£¬¸´ÔÓÒ»µãµÄÓ¦¸Ã²»ÄÜÇó³ö½âÎö½â°É
2Â¥2014-02-12 11:31:26
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

math2000

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
abcd702848: ½ð±Ò+15, ¡ï¡ï¡ïºÜÓаïÖú, ¸çÃÇ£¬Äܹ»Ïêϸһµãô 2014-02-12 15:21:37
Â¥Ö÷µÄÏ뷨̫ÀíÏ롣Ŀ±êº¯ÊýµÄÓÅ»¯ÊÇÒ»¸öºÜ¸´ÔÓµÄÎÊÌ⣬²»¿ÉÄÜËùÓÐÓÅ»¯º¯ÊýµÄ×î´óÖµµã¶¼ÓÐÒ»¸ö½âÎö±í´ïʽ£¬¾ø´ó²¿·Ö¶¼Ã»ÓнâÎö½â£¬Ö»ÓÐÊýÖµ½â¡£
3Â¥2014-02-12 12:57:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
ÆÕͨ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

ÄãÄÜÈ·¶¨x£¬k1,  k2 µÄ·¶Î§Ã´£¿
4Â¥2014-02-12 13:36:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

¸ù¾ÝÄãµÄÃèÊö£¬ÄãµÄÎÊÌâ¾ÍÊǽⷽ³Ì×顾ÓÐÏ£Íû¡¿£º
k1*k2*cos(k2*x)+cos(x)=0      
-k1*k2*k2*sin(k2*x)-sin(x)<0
5Â¥2014-02-12 13:40:54
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

abcd702848

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
5Â¥: Originally posted by feixiaolin at 2014-02-12 13:40:54
¸ù¾ÝÄãµÄÃèÊö£¬ÄãµÄÎÊÌâ¾ÍÊǽⷽ³Ì×顾ÓÐÏ£Íû¡¿£º
k1*k2*cos(k2*x)+cos(x)=0      
-k1*k2*k2*sin(k2*x)-sin(x)<0

Èç¹ûÕâ¸ö·½·¨ÊǶԵģ¬ÄÇô¹Ø¼üµÄÎÊÌ⣬¿ÉÄܾÍÊǽâÕâ¸ö·½³Ì×éÁË£¬²»¹ýÕâЩ·½³ÌµÄ½âÎö½â£¬¿ÉÄÜδ±ØÄܹ»µÃµ½£¬×îÖÕ£¬¿ÉÄÜ»¹ÊÇÒª»Ø¹éµÄÊýÖµ½âÁË£¬Èç¹ûÊÇÊýÖµ½â£¬×îºó£¬¿ÉÄÜÖ»ÓвÉÓ÷ÇÏßÐÔÄâºÏÀ´×ö³ö¶ÔÓ¦µÄ½âÎöʽÁË¡£Õâ¸öÊÇÎÒÏÖÔÚµÄÏë·¨¡£
ÎÒÏëÒªµÄ£¬ÎÒÒ»¶¨ÕùÈ¡£»ÎÒÏëÒªµÄ£¬µ«ÊDz»·ûºÏ¿Í¹Ûʵ¼ÊµÄ£¬Îһῴ×Å
6Â¥2014-02-12 14:17:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

abcd702848

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
5Â¥: Originally posted by feixiaolin at 2014-02-12 13:40:54
¸ù¾ÝÄãµÄÃèÊö£¬ÄãµÄÎÊÌâ¾ÍÊǽⷽ³Ì×顾ÓÐÏ£Íû¡¿£º
k1*k2*cos(k2*x)+cos(x)=0      
-k1*k2*k2*sin(k2*x)-sin(x)<0

¶øÇÒ×Ô¼º¶ÔÓ¦ÓÚÕâ¸öÌû×ÓÖеÄf£¨x£©=sin(x)£¬Æäʵf(x)ÕæÕýÒâÒåÉÏÊÇ
f(x)=(exp(2x)*x-x-2*x*exp(x)*sinx)/(exp(2x)+1-2*exp(x)*cosx)
ËùÒÔ£¬ÄãµÄÕâ¸ö·½·¨¹À¼ÆÊDz»´íµÄ£¬¶øÇÒ¿ÉÄÜÊǵõ½½âÎö½âµÄΨһ·½·¨£¬²»¹ýÕâÀïµÄµÚÒ»¸öʽ×Ó£¬Èç¹ûf(x)±ä¸´ÔÓÁËÖ®ºó£¬Ó¦¸ÃȷʵµÃ²»µ½½âÎö½â£¬¿ÉÄÜ×îÖÕ»¹ÊÇÒªÂäµ½ÊýÖµ½â
µ±È»£¬Õâ¸öÖ»ÊÇÏÖÔÚ×Ô¼ºµÄ¿´·¨
ÎÒÏëÒªµÄ£¬ÎÒÒ»¶¨ÕùÈ¡£»ÎÒÏëÒªµÄ£¬µ«ÊDz»·ûºÏ¿Í¹Ûʵ¼ÊµÄ£¬Îһῴ×Å
7Â¥2014-02-12 14:24:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

abcd702848

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
3Â¥: Originally posted by math2000 at 2014-02-12 12:57:22
Â¥Ö÷µÄÏ뷨̫ÀíÏ롣Ŀ±êº¯ÊýµÄÓÅ»¯ÊÇÒ»¸öºÜ¸´ÔÓµÄÎÊÌ⣬²»¿ÉÄÜËùÓÐÓÅ»¯º¯ÊýµÄ×î´óÖµµã¶¼ÓÐÒ»¸ö½âÎö±í´ïʽ£¬¾ø´ó²¿·Ö¶¼Ã»ÓнâÎö½â£¬Ö»ÓÐÊýÖµ½â¡£

¸çÃÇ£¬±¾È˶ÔÓÚº¯ÊýÓÅ»¯ÆäʵûÓжàÉÙÀí½â£¬Î¨Ò»µÄÔø¾­×ö¹ýµÄÏë·¨¾ÍÊǽ²Ò»¸öº¯ÊýÓÃÌ©ÀÕÕ¹¿ª£¬»òÕßÔø¾­½«Ò»¸ö¸´Ôӵĺ¯Êý£¬×ö³öÁËÊýÖµ½â£¬È»ºóͨ¹ýÊýÖµ½â£¬È»ºó£¨1stopt£©ÄâºÏ³öÀ´Ò»¸öÏà¶Ô¼òµ¥µÄʽ×Ó£¬²»¹ý£¬Ò»µ©Ô­º¯ÊýµÄx±ä³Ék1*xÖ®ºó£¬ÄâºÏ³öÀ´µÄʽ×Ó¸úԭʽ¾ÍÏà²îÌ«´óÁË¡£
ÎÒµÄf(x)=(exp(2x)*x-x-2*x*exp(x)*sinx)/(exp(2x)+1-2*exp(x)*cosx),²»ÖªµÀÓÐûÓÐÄã˵µÄÏë·¨Äܹ»ÕÒµ½Ò»¸ö±È½ÏºÃµÄÄâºÏ·½·¨
ÎÒÏëÒªµÄ£¬ÎÒÒ»¶¨ÕùÈ¡£»ÎÒÏëÒªµÄ£¬µ«ÊDz»·ûºÏ¿Í¹Ûʵ¼ÊµÄ£¬Îһῴ×Å
8Â¥2014-02-12 14:30:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

feixiaolin

ÈÙÓþ°æÖ÷ (ÎÄ̳¾«Ó¢)

ÓÅÐã°æÖ÷

¸Ð¾õÄãÕâ¸öÊÇ·åµÄºÏ³É-·Ö½âÓйء£
9Â¥2014-02-12 16:19:58
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

abcd702848

½ð³æ (ÕýʽдÊÖ)

ÒýÓûØÌû:
9Â¥: Originally posted by feixiaolin at 2014-02-12 16:19:58
¸Ð¾õÄãÕâ¸öÊÇ·åµÄºÏ³É-·Ö½âÓйء£

ÎÒºóÀ´¿´ÁËһϲ¨·åµÄºÏ³ÉºÍ·Ö½â£¬Ö÷ÒªÊDz¨Æäʵ¶¼ÊÇ¿ÉÒÔ·Ö½â³ÉΪһϵÁеÄг²¨£¬¶øÐ³²¨µÄ±í´ï¾Í¿ÉÒÔת»¯³ÉΪ¸µÀïÒ¶¼¶Êý¡£ÎÒÕâÀïµÄÕâ¸ö
f(x)=(exp(2x)*x-x-2*x*exp(x)*sinx)/(exp(2x)+1-2*exp(x)*cosx),ÒªÏë·Ö½â³ÉΪһϵÁÐСº¯Êý£¬¹À¼ÆÕâ¸öÀïÃæ¿ÉÄܾÍ񻃾¼°µ½Èý½Ç¼¶ÊýµÄÎÊÌâÁË£¬ÎҲµİ¡£¬ºÇºÇ£¬¸çÃÇ£¬ÄãÓкθ߼û
ÎÒÏëÒªµÄ£¬ÎÒÒ»¶¨ÕùÈ¡£»ÎÒÏëÒªµÄ£¬µ«ÊDz»·ûºÏ¿Í¹Ûʵ¼ÊµÄ£¬Îһῴ×Å
10Â¥2014-02-12 17:28:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ abcd702848 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 332Çóµ÷¼Á +14 ССÃÏ... 2026-04-05 15/750 2026-04-05 22:27 by hemengdong
[¿¼ÑÐ] ²ÄÁϹ¤³Ì302·ÖÇóµ÷¼Á +9 zyxÉϰ¶£¡ 2026-04-04 9/450 2026-04-05 22:08 by ×íÎÌwl
[¿¼ÑÐ] Ò»Ö¾Ô¸ ½­ÄÏ´óѧ 085602 »¯¹¤×¨Ë¶ 338·ÖÇóµ÷¼Á +12 ·³ÕСç÷ 2026-04-05 12/600 2026-04-05 21:50 by ×íÎÌwl
[¿¼ÑÐ] 385·Ö ÉúÎïѧ£¨071000£©Çóµ÷¼Á +11 qf626 2026-04-01 11/550 2026-04-05 17:35 by Ecowxq666£¡
[¿¼ÑÐ] 266·Ö£¬Ò»Ö¾Ô¸µçÆø¹¤³Ì£¬±¾¿Æ²ÄÁÏ£¬Çó²ÄÁÏרҵµ÷¼Á +8 ÍÛºôºßºôºß 2026-04-02 9/450 2026-04-05 17:14 by lbsjt
[¿¼ÑÐ] 328·Öµ÷¼Á +6 ÃÅmen 2026-04-04 6/300 2026-04-05 13:40 by imissbao
[¿¼ÑÐ] ¿¼Ñе÷¼Á +6 15615482637 2026-04-04 6/300 2026-04-04 22:43 by yu221
[¿¼ÑÐ] 315Çóµ÷¼Á +13 СÑòСÑò_ 2026-04-02 14/700 2026-04-04 20:30 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 349Çóµ÷¼Á +11 zwjjjjjj 2026-03-31 11/550 2026-04-04 19:52 by À¶ÔÆË¼Óê
[¿¼ÑÐ] ÇóÉúÎïѧרҵµ÷¼Á-332·Ö +5 ÔÆ¶äåÞÍäÖ¸ÄÏ 2026-04-04 5/250 2026-04-04 10:05 by rzh123456
[»ù½ðÉêÇë] esi¸ß±»ÒýÂÛÎÄÊDz»ÊÇÄܶÔÖбêÓÐËù¼Ó·ÖºÍ°ïÖúÄØ +5 redcom 2026-04-01 6/300 2026-04-03 15:15 by Howard28
[¿¼ÑÐ] ¹¤¿Æ 267Çóµ÷¼Á +5 wanwan00 2026-04-02 7/350 2026-04-03 14:14 by zhangdingwa
[¿¼ÑÐ] 366Çóµ÷¼ÁÒ»Ö¾Ô¸¶«±±´óѧ +8 ÔËÆøÀ´µÃÈôÓÐËÆÎ 2026-04-02 8/400 2026-04-02 21:39 by dongzh2009
[¿¼ÑÐ] 348Çóµ÷¼Á +11 zzzzyk123 2026-04-01 11/550 2026-04-02 16:52 by Wang200018
[¿¼ÑÐ] 08¿ªÍ·¿´¹ýÀ´£¡£¡£¡ +4 wwwwffffff 2026-03-31 6/300 2026-04-02 11:42 by ¾ùÖµ»Ø¹é
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼Á +10 ÄØÄØÄÝÄÝ 2026-04-01 13/650 2026-04-02 09:17 by olim
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +11 Ò»ÑùYWY 2026-03-31 11/550 2026-04-01 22:25 by zhouyuwinner
[¿¼ÑÐ] Çóµ÷¼Á +4 DADA¹Ö 2026-03-31 4/200 2026-04-01 14:30 by ZXlzxl0425
[¿¼ÑÐ] Ò»Ö¾Ô¸Õã½­´óѧ¹¤¿Æ¶¯Á¦¹¤³Ì370,ÊýÒ»121,רҵ¿Î135£¬ÏÖÔÚÄÜÈ¥ÄÄÀï +3 080700µ÷¼Á 2026-03-30 4/200 2026-03-31 12:00 by KLMY666
[¿¼ÑÐ] 083000»·¾³¿ÆÑ§Ó빤³Ìµ÷¼Á£¬×Ü·Ö281 +4 ³È×Ó£¨Ê¤Ò⣩ 2026-03-30 4/200 2026-03-31 00:44 by Linzejun
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û