±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1309  |  »Ø¸´: 6

²»³Ô²ÝµÄÍÃ×Ó

гæ (СÓÐÃûÆø)

[ÇóÖú] matlab΢·Ö·½³Ì×éÊýÖµ¼ÆËã ÒÑÓÐ2È˲ÎÓë

MatlabÖÐÄÜ·ñµÃµ½ÊýÖµ½â£¿Èç¹û¿ÉÒÔ»¹ÍûÀÍÉñ¸ø¸ö´úÂ룬¶¨µ±¸Ð¼¤²»¾¡¡£³õÀ´Õ§µ½¾ÍÕâôµã¶ù½ð±Ò

matlab΢·Ö·½³Ì×éÊýÖµ¼ÆËã
FM)H)_}}[8@_Q]9}{1U1W_O.jpg
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

shikang999

гæ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
²»³Ô²ÝµÄÍÃ×Ó: ½ð±Ò+5, ¡ïÓаïÖú, ʵÔÚÊÇûÇî¡£ÎÒÓÃMATLAB×ö³öÀ´ÁË¡£Ð»Ð»ÁË 2014-12-05 10:28:04
Èç¹ûÊÇ×÷ÒµµÄ»°£¬½¨Ò齫y3Լȥ£¬µÃµ½Ò»¸ö¶þ½×µÄy2ÓëÒ»½×µÄy1£¬È»ºó°Ñµ¼ÊýÏîÕ¹¿ª£¬È»ºó×é×°µ½Ò»¸ö·½³Ì×éÀïÃæ£¬¸ù¾Ý±ß½çÌõ¼þÉèÖÃÏàÓ¦µÄÖµ£¬×îºóÇó½âÒ»¸öÏßÐÔ·½³Ì×é¼´¿É¡£µ±È»ÎªÁ˱£Ö¤¾«¶È£¬¿ÉÒÔ²ÉÓò»Í¬²½³¤Çó½â£¬Ç°ºóÁ½´Î¼ÆËã½á¹ûµÄ±È½ÏÀ´µÃµ½½á¹û£¡
PS£ºÕâÑùÊÇ´¿Ð´´úÂ룬¼¸ºõ²»µ÷ÓÃÈκκ¯Êý¡£ÆäÇó½â˼·ºÍÊýÖµ·ÖÎöÊéÉÏÁ½µã±ßÖµÎÊÌâ˼·һÖ£¡Ê±¼äµ½ÁË£¬ÏÈÈ¥³Ô·¹È¥ÁË£¡
ÎÒ»¹ÊÇÄǸöÎÒ£¬¹ýÈ¥Èç´Ë£¬Î´À´ÒàÈç´Ë£¡
2Â¥2014-12-01 16:50:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

Áõ³©µÄÓû§Ãû

ľ³æ (СÓÐÃûÆø)

¿ÉÒÔÖ±½ÓÓÃmatlab µÄode 45µÈº¯ÊýÀ´Çó½â£¬¾ßÌåµÄʹÓÿÉÒԲ鿴°ïÖú¡£

[ ·¢×ÔСľ³æ¿Í»§¶Ë ]
3Â¥2014-12-01 18:06:04
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
²»³Ô²ÝµÄÍÃ×Ó: ½ð±Ò+4, ¡ï¡ï¡ïºÜÓаïÖú, ËäȻûÓÃÉÏ»¹ÊǷdz£¸Ðл¡£ 2014-12-05 10:28:44
±ß½çÌõ¼þÖ»ÐèÒª3¸ö¾Í¹»ÁË£¬¡°x=5,y'=0¡±ÕâÒ»Ìõ¼þÓ¦¸ÃÊǶàÓàµÄ¡£±ßֵ΢·Ö·½³ÌÎÊÌ⣨BVP£©£¬ÓÃ1stOptÇó½â£¨¼ÙÉèa¡¢b¡¢cÒѸ³Öµ£©£º
CODE:
Constant a=1,b=0.5,c=2;
Variable x=[0,5],y1=25,y3=0,y2=[,800];
Plot x[x],y1,y2;
ODEFunction y1'=a*(y2-y1);
            y2'=y3;
            y3'=b*(y2-y1)+c*(y2-30);

±ßÖµ¹ÀËã:
        y2(x=0): 30.1072095562902
matlab΢·Ö·½³Ì×éÊýÖµ¼ÆËã-1
c134.jpg

4Â¥2014-12-02 20:11:45
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

²»³Ô²ÝµÄÍÃ×Ó

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by shikang999 at 2014-12-01 16:50:43
Èç¹ûÊÇ×÷ÒµµÄ»°£¬½¨Ò齫y3Լȥ£¬µÃµ½Ò»¸ö¶þ½×µÄy2ÓëÒ»½×µÄy1£¬È»ºó°Ñµ¼ÊýÏîÕ¹¿ª£¬È»ºó×é×°µ½Ò»¸ö·½³Ì×éÀïÃæ£¬¸ù¾Ý±ß½çÌõ¼þÉèÖÃÏàÓ¦µÄÖµ£¬×îºóÇó½âÒ»¸öÏßÐÔ·½³Ì×é¼´¿É¡£µ±È»ÎªÁ˱£Ö¤¾«¶È£¬¿ÉÒÔ²ÉÓò»Í¬²½³¤Çó½â£¬Ç°ºó ...

¿´ÄãÍ·ÏñºÜÑÛÊì¡£ÊDz»ÊÇÔÚÄÄÀï¼û¹ý£¿£¿£¿ÑÔ¹éÕý´«¡£¡£¡£Õâ²»ÊÇ×÷Òµ£¬ÎÒ¿ÎÌâÒªËãµÄ£¬ÎÒÖ»ÊǰÑÒ»¸ö´øÓи´ÔÓ±äÁ¿µÄ¶þ½×³£Î¢·Ö·½³Ì×é¼ò»¯³ÉÕâÑùÒ»¸öģʽÁË¡£¾ÍÊÇÏëÖªµÀÕâ¸ö·½³Ì×éµ½µ×Äܲ»ÄÜÓÃmatlab½â³öÀ´¡£Äã˵µÄÕâ¸öÕ¹¿ªµ¼ÊýÏàÊÇÒª×Ô¼ºÀëÉ¢Âð£¿ÒÔǰû½Ó´¥¹ý¿´²»¶®°¡¡£ÎÒÏëÒªµÄ½á¹û¾ÍÊÇÏÖÔÚËÄÂ¥×ö¸öÕâ¸öЧ¹û¡¢¡¢Ö»²»¹ýËûÓõÄ1stopt¡¢¡¢ÎÒ¾ÍÊÇÏëÓÃmatlab×ö³öÀ´
5Â¥2014-12-02 21:26:48
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

²»³Ô²ÝµÄÍÃ×Ó

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by Áõ³©µÄÓû§Ãû at 2014-12-01 18:06:04
¿ÉÒÔÖ±½ÓÓÃmatlab µÄode 45µÈº¯ÊýÀ´Çó½â£¬¾ßÌåµÄʹÓÿÉÒԲ鿴°ïÖú¡£

ODEÄÜ×ö±ßÖµÎÊÌâÂð¡£ÎҲ鵽µÄºÃÏñµÃÓÃbvp4c
6Â¥2014-12-02 21:27:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

²»³Ô²ÝµÄÍÃ×Ó

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by dingd at 2014-12-02 20:11:45
±ß½çÌõ¼þÖ»ÐèÒª3¸ö¾Í¹»ÁË£¬¡°x=5,y'=0¡±ÕâÒ»Ìõ¼þÓ¦¸ÃÊǶàÓàµÄ¡£±ßֵ΢·Ö·½³ÌÎÊÌ⣨BVP£©£¬ÓÃ1stOptÇó½â£¨¼ÙÉèa¡¢b¡¢cÒѸ³Öµ£©£º

Constant a=1,b=0.5,c=2;
Variable x=,y1=25,y3=0,y2=;
Plot x,y1,y2;
ODEFunc ...

1stOpt¹ûÈ»ÊÇÇ¿´ó¡£Ö»¿ÉϧÎÒÒ»¸öÇîѧÉúÓò»Æð°¡¡£Ì«¹óÁË¡£matlabÄÜ×ö²»£¿
7Â¥2014-12-02 21:30:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ²»³Ô²ÝµÄÍÃ×Ó µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 327Çóµ÷¼Á +5 Xxjc1107. 2026-04-06 5/250 2026-04-06 21:43 by dongzh2009
[¿¼ÑÐ] 297·Ö083200ÇóÖú +9 aekx 2026-04-05 9/450 2026-04-06 20:57 by flysky1234
[¿¼ÑÐ] 307Çóµ÷¼Á +3 ËùÄî¼°ËùÍû 2026-04-06 3/150 2026-04-06 17:30 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] Ò»Ö¾Ô¸211ÉúÎïѧ280·Ö Çóµ÷¼Á +5 Àîrien 2026-04-05 5/250 2026-04-06 10:30 by zhyzzh
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷°²½»´ó²ÄÁÏѧ˶£¨Ó¢Ò»Êý¶þ£©347£¬Çóµ÷¼Áµ½¸ß·Ö×Ó/²ÄÁÏÏà¹Ø×¨Òµ +8 zju51 2026-03-31 10/500 2026-04-06 09:03 by ×íÎÌwl
[¿¼ÑÐ] 0703Çóµ÷¼Á383·Ö +9 W55j 2026-04-03 9/450 2026-04-06 06:50 by houyaoxu
[¿¼ÑÐ] 0832ʳƷ¿ÆÑ§Ó빤³Ìѧ˶282µ÷¼Á +6 ÓãÔÚË®ÖÐÓÎa 2026-04-02 9/450 2026-04-05 11:45 by flysky1234
[¿¼ÑÐ] Ò»Ö¾Ô¸½­ÄÏ´óѧ085501»úе¹¤³Ìר˶326·Ö£¬±¾¿Æ¼Ñľ˹´óѧ +5 ¹ËÈô¸¡Éú 2026-04-03 9/450 2026-04-05 09:57 by 1753564080
[¿¼ÑÐ] ÄÐÉú£¬Ò»Ö¾Ô¸»¦9ÉúÎïѧ071000£¬³õÊÔ308Çóµ÷¼Á +3 Áõīī 2026-04-04 3/150 2026-04-05 08:26 by barlinike
[¿¼ÑÐ] ÇóÉúÎïѧµ÷¼Á +14 15172915737 2026-04-01 14/700 2026-04-04 20:13 by babysonlkd
[¿¼ÑÐ] 342Çóµ÷¼Á +3 Liang7111 2026-04-04 5/250 2026-04-04 19:47 by dongzh2009
[¿¼ÑÐ] 309·Ö085801Çóµ÷¼Á +11 MY_angel 2026-03-31 11/550 2026-04-04 19:11 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358 +6 cs0106 2026-04-03 6/300 2026-04-04 11:20 by w_xuqing
[¿¼ÑÐ] 297Çóµ÷¼Á +11 ljy20040718£¡ 2026-04-03 13/650 2026-04-04 09:23 by À´¿´Á÷ÐÇÓê10
[¿¼ÑÐ] 400·ÖÇóµ÷¼Á +3 ÞÏÞÎÇÒÄÓÍ· 2026-04-04 3/150 2026-04-04 08:41 by jp9609
[¿¼ÑÐ] 372·Ö²ÄÁÏÓ뻯¹¤£¨085600£©Ò»Ö¾Ô¸ºþÄÏ´óѧÇóµ÷¼Á +3 À¶¼ãƬ 2026-04-03 4/200 2026-04-03 17:58 by Jimmyandyou
[¿¼ÑÐ] 303Çóµ÷¼Á +3 һɫÇåÓð 2026-04-02 4/200 2026-04-03 10:22 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 366Çóµ÷¼ÁÒ»Ö¾Ô¸¶«±±´óѧ +8 ÔËÆøÀ´µÃÈôÓÐËÆÎ 2026-04-02 8/400 2026-04-02 21:39 by dongzh2009
[¿¼ÑÐ] 0710ÉúÎïѧ£¬325Çóµ÷¼Á +3 mkkkkkl 2026-04-01 3/150 2026-04-02 09:48 by Jaylen.
[¿¼ÑÐ] 267Çóµ÷¼Á +13 uiybh 2026-03-31 13/650 2026-04-01 10:25 by ̽123
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û