±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1560  |  »Ø¸´: 6

menkuo1110

ľ³æ (ÕýʽдÊÖ)

[ÇóÖú] ÇóÖúmatlab ·ÇÏßÐÔ·½³Ì×éÈ«²¿½â£¡

½â·ÇÏßÐÔ·½³Ì×éʱ£¬Ê¹ÓÃfsolve£¬³õʼֵµÄÑ¡¶¨£¬Ê¹Æä½âÏà²îºÜ´ó¡£ÈçºÎ±ÜÃâ°¡£¿»¹ÓУ¬ÔõôÄÜÇó³öÐéÊý½â°¡£¨ÓÐûÓв»ÓÃsolveº¯ÊýµÄ£¬ÔËËãÌ«ÂýÁË£©¡£Ð»Ð»¸÷λ´óÉñÁË£¡
×îºÃÒÔ´ËÌâΪÀý×Ófunction q = f(p)
q=[p(1)*p(1)+p(2)*p(2)-1; 0.75*p(1)^3-p(2)+0.9];
»Ø¸´´ËÂ¥

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
csgt0: ½ð±Ò+1, лл 2012-10-26 09:43:54
1stOpt²»Ðè³õÖµ£¬¿ÉµÃÏÂÃæÁ½×é½â£º


No.        p1        p2
1        -0.981702648211656        0.190420351539264
2        0.356969971919287        0.9341158595861
2Â¥2012-10-26 08:49:23
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

menkuo1110

ľ³æ (ÕýʽдÊÖ)

Õâ¸öÖ»ÇóµÄÊÇʵÊý½â°É£¬Ó¦¸ÃÁ½¸öʵÊý½â£¬ËĸöÐéÊý½â°¡
3Â¥2012-10-26 09:49:47
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡ï ¡ï
csgt0: ½ð±Ò+2, ллָµ¼£¡³öÎÊÌâÁ˰¡£¬¹«Ê½ÅÜÍâÃæÈ¥ÁË 2012-10-26 10:54:27
matlab »»Ôª mupad½âµÄ
p(1)=sin(x) p(2)=cos(x)

s=solve(0.75*(sin(x))^3-cos(x)+0.9=0,x)
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
4Â¥2012-10-26 10:47:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
menkuo1110: ½ð±Ò+3, ¡ï¡ï¡ïºÜÓаïÖú 2012-10-26 12:00:40
ÒýÓûØÌû:
4Â¥: Originally posted by dbb627 at 2012-10-26 10:47:57
matlab »»Ôª mupad½âµÄ
p(1)=sin(x) p(2)=cos(x)

s=solve(0.75*(sin(x))^3-cos(x)+0.9=0,x)
s = \left\{\left. 6.283185307\, k + \mathrm{z1} \right| k\in\mathbb Z, \mathrm{z1}\in\left\{-1.379206012,0.3 ...

p(1)=sin(s)
p(2)=cos(s)
¿ÉµÃ
Á½¸öʵÊý½â£¬ËĸöÐéÊý½â
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
5Â¥2012-10-26 11:24:24
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

menkuo1110

ľ³æ (ÕýʽдÊÖ)

ËÍÏÊ»¨Ò»¶ä
¸ßÊÖ°¡£¡ÊÇÕâ½á¹û£¬Ð»Ð»Ð»Ð»£¡ÎÊÒ»ÏÂɶԭÀí°¡£¬ÊǸù¾ÝÅ·À­¹«Ê½£¬·Ö³Éʵ²¿¸úÐ鲿·Ö¿ª½âô£¿ÀàËÆµÄÌâ¶¼Êǽ«x£¬y´ú»»³Ésin  cos£¿
6Â¥2012-10-26 11:59:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï
menkuo1110: ½ð±Ò+2, ¡ï¡ï¡ïºÜÓаïÖú 2012-10-26 22:51:40
ÒýÓûØÌû:
6Â¥: Originally posted by menkuo1110 at 2012-10-26 11:59:39
¸ßÊÖ°¡£¡ÊÇÕâ½á¹û£¬Ð»Ð»Ð»Ð»£¡ÎÊÒ»ÏÂɶԭÀí°¡£¬ÊǸù¾ÝÅ·À­¹«Ê½£¬·Ö³Éʵ²¿¸úÐ鲿·Ö¿ª½âô£¿ÀàËÆµÄÌâ¶¼Êǽ«x£¬y´ú»»³Ésin  cos£¿

p(1)*p(1)+p(2)*p(2)-1;Õâ¸öÌõ¼þʵ¼ÊÉϾÍÊÇx^2+y^2=1,½«x£¬y´ú»»³Ésin  cosÈý½Çº¯Êý¼ÆËã±È½Ï·¨·½±ã¡£
Ëã³ö½Ç¶ÈºóÈý½Çº¯Êýһת»»¾Í¿ÉµÄx£¬yµÄÖµ¡£
µ±È»¸´ÊýÓÃÅ·À­¹«Ê½×ªÒ²ÊÇ¿ÉÒÔµÄ
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
7Â¥2012-10-26 14:24:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ menkuo1110 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] »¯Ñ§µ÷¼ÁÇóÖú +7 LULONG1 2026-04-03 7/350 2026-04-06 06:41 by houyaoxu
[¿¼ÑÐ] 285Çóµ÷¼Á +7 AZMK 2026-04-04 9/450 2026-04-06 00:06 by ÓÀ×ÖºÅ
[¿¼ÑÐ] ÕÒµ÷¼Á +10 ³þÇÇÇÇ 2026-04-01 10/500 2026-04-05 22:19 by syh9288
[¿¼ÑÐ] 301Çóµ÷¼Á +3 ϸ°ûÏà¹Øµ°°× 2026-04-03 3/150 2026-04-05 21:07 by ѧԱ8dgXkO
[¿¼ÑÐ] Çóµ÷¼Á +10 Hllºú 2026-04-04 10/500 2026-04-05 20:09 by nepu_uu
[¿¼ÑÐ] ÉúÎïÓëÒ½Ò©µ÷¼Á +4 Ê®Æßsa 2026-04-05 4/200 2026-04-05 20:05 by lys0704
[¿¼ÑÐ] 306·Ö²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +7 Àè°ÉÀ²À²ÄãºÜÓÐà 2026-04-03 7/350 2026-04-05 17:18 by Hdyxbekcb
[¿¼ÑÐ] 26¿¼Ñе÷¼Á0710 0860 +9 ²¹²¹²»²¹ 2026-04-03 14/700 2026-04-04 23:32 by ¹û¶³´óÍõ
[¿¼ÑÐ] ¿¼Ñе÷¼Á +5 ËÄ´¨ÍõÌÎ 2026-04-04 5/250 2026-04-04 22:18 by à£à£à£0119
[¿¼ÑÐ] 316Çóµ÷¼Á +9 Ä«³½_Orion926 2026-04-04 9/450 2026-04-04 21:35 by lbsjt
[¿¼ÑÐ] 085601£¬Ò»Ö¾Ô¸Ïôó334¸´ÊÔ±»Ë¢Çóµ÷¼Á +13 ÔøÑöÖ® 2026-04-03 15/750 2026-04-04 20:13 by dongzh2009
[¿¼ÑÐ] 292Çóµ÷¼Á +11 2022080213 2026-04-04 13/650 2026-04-04 18:38 by macy2011
[¿¼ÑÐ] 277¹¤¿ÆÇóµ÷¼Á +7 1915668 2026-04-04 7/350 2026-04-04 17:21 by °¡¿¡£¡
[¿¼ÑÐ] 266·Ö£¬Çó²ÄÁÏÏà¹Ø×¨Òµµ÷¼Á +13 ÍÛºôºßºôºß 2026-03-30 15/750 2026-04-03 15:24 by arrow8852
[¿¼ÑÐ] һ־Ըɽ¶«´óѧ»¯Ñ§Ó뻯¹¤Ñ§Ôº²ÄÁÏÓ뻯¹¤×¨Ë¶£¬360·ÖÇóµ÷¼Á +4 ²»Ô¸Í¸Â¶ÐÕÃûµÄË 2026-04-02 4/200 2026-04-03 09:29 by ÒÅÍüÏûʧµÄž™
[¿¼ÑÐ] 295Çóµ÷¼Á +7 Ô¸ÂÃ;ÓÀԶ̹Ȼ 2026-04-02 7/350 2026-04-03 08:22 by fangshan711
[¿¼ÑÐ] ²ÄÁÏרҵÇóµ÷¼Á +10 ÔÂÔÂÄñľ 2026-04-01 10/500 2026-04-02 12:57 by wxiongid
[¿¼ÑÐ] ÉúÎïÓëÒ½Ò©¿¼Ñе÷¼Á +5 Ìúº©º©123425 2026-03-31 5/250 2026-04-01 18:01 by syh9288
[¿¼ÑÐ] ¿¼ÑвÄÁϹ¤³Ì351·Öµ÷¼Á +5 Õû¸öºÃµÄ 2026-03-31 5/250 2026-04-01 09:36 by topgun2009
[¿¼ÑÐ] ¸£½¨Àí¹¤´óѧ²ÄÁÏѧԺÏȽøºÏ½ðÍŶÓÕÐÊÕ¿¼Ñе÷¼ÁѧÉú +3 ´ó»ª½ðÉ̶¼ 2026-03-30 4/200 2026-03-31 01:04 by ·½Ó¢¿¡602
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û