²é¿´: 1348  |  »Ø¸´: 13
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

caisinong

гæ (³õÈëÎÄ̳)

[ÇóÖú] ΢·Ö·½³Ì×éÄâºÏÓÃ1stopt£¬²»ÊDz»ÏìÓ¦¾ÍÊDz»¿ªÊ¼¡£¡£´óÉñÃÇ¿´ÏÂÊÇÄÄÀï³ö´íÁË£¿ ÒÑÓÐ1È˲ÎÓë

Title "Type your title here";
//Parameters ;
//Variable ;
//Function ;
Variable s,i,d;
Parameters a,b,c;
Function s'=-a*s*i;
d'=c*i;
i'=a*s*i-b*i-c*i;
RawData;
11744951,29,20;
11744897,66,37;
11744873,83,44;
11744843,101,56;
11744803,122,75;
11744792,136,72;
11744779,146,75;
11744769,155,76;
11744767,157,76;
11744742,174,84;
11744719,186,95;
11744656,215,129;
11744628,236,136;
11744602,264,134;
11744610,270,120;
11744587,303,110;
11744591,309,100;
11744585,314,101;
11744540,339,121;
11744515,358,127;
11744494,373,133;
11744457,394,149;
11744393,406,201;
11744229,494,277;
11744139,557,304;
11744058,601,341;
11743978,635,387;
11743843,710,447;
11743702,768,530;
11743528,843,629;
11743460,904,636;
11743402,981,617;
11743269,1041,690;
11743122,1142,736;
11743029,1192,779;
11742866,1260,874;
11742836,1327,837;
11742708,1428,864;
11742584,1525,891;
11742403,1607,990;
11742293,1708,999;
11742225,1781,994;
11742194,1814,992;
11742129,1876,995;
11742083,1910,1007;
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

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

caisinong

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
8Â¥: Originally posted by ÔÂÖ»À¶ at 2015-02-09 11:33:18
Ô­´úÂëÖйؼü´Ê RawData Ò²ÊÇ´íÎóµÄ£¬ÕýÈ·µÄΪ RowData¡£´ËÍ⣬·½±ãÆð¼û£¬ÎÒ×öÁ˱äÁ¿ÃüÃûת»»£¬ÒòΪԭ¶¨ÒåÖÐÒò±äÁ¿ i ¿ÉÄÜÓëÐéÊý²úÉúÆçÒå¡£
´úÂëÈçÏ£º

Parameters a,b,c;
Variable t,y1,y2,y3;
ODEFunction  ...

ÓеãÓôÃÆ¡£¡£ÓÃÄǸöÊÔÓð棬ֱ½Ó¸´ÖÆÄú¸øµÄ´úÂëÒ²²»ÅÜ£¬²»ÖªµÀΪʲô
10Â¥2015-02-09 13:04:39
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 14 ¸ö»Ø´ð

caisinong

гæ (³õÈëÎÄ̳)

²éÁ˺öණÎ÷£¬·¢ÏÖÓ¦¸ÃÊÇÒòΪ×Ô¼ºµÄ°æ±¾Ì«µÍ¡£¡£²»ÖªµÀ¸ß°æ±¾Ôõô»ñÈ¡£¿ÍøÉ϶¼²é²»µ½¡£
»òÕßÈç¹ûÓÐǰ±²¿ÉÒÔ°ïæÅÜÏÂÒ²ºÃ£¬²»Ê¤¸Ð¼¤£¡
2Â¥2015-02-09 04:38:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÔÂÖ»À¶

Ö÷¹ÜÇø³¤ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
1. µÍ°æ±¾²»Ö§³Ö³£Î¢·Ö·½³ÌÄâºÏ¡£
2. ´úÂëÒ²´æÔÚ´íÎó¡£Â¥Ö÷¶¨ÒåµÄ±äÁ¿ÓÐs,i,d Èý¸ö£¬ÄÇô×Ô±äÁ¿ÊÇÄĸöÄØ£¿Â¥Ö÷¶¨ÒåµÄ³£Î¢·Ö·½³ÌÓÐÈý¸ö s'=-a*s*i; d'=c*i; i'=a*s*i-b*i-c*i; ÕâÑù¿´À´£¬s i d¶¼ÊÇÒò±äÁ¿£¬ÄÇôȱÉÙ×Ô±äÁ¿µÄ¶¨Òå¡£ÔÚdataÖУ¬Ö»¸ø³öÁËÈý¸ö±äÁ¿µÄÊý¾Ý£¬È±ÉÙÒ»×éÊý¾Ý£¨Ó¦¸ÃÊÇ×Ô±äÁ¿µÄÊý¾Ý£©¡£
3. ³£Î¢·Ö·½³ÌÄâºÏ£¬¹Ø¼ü´Ê²»ÔÙÊÇ Function£¬¶øÊÇODEFunction¡£
MATLAB¡¢MSСÎÊÌâ¡¢ÆÕͨÎÊÌâÇë·¢ÌûÇóÖú£¡Ê±¼ä¾«Á¦ÓÐÏÞ£¬Ë¡²»½ÓÊÜÎÞ³¥Ë½ÐÅÇóÖú¡£
3Â¥2015-02-09 09:03:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

caisinong

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
3Â¥: Originally posted by ÔÂÖ»À¶ at 2015-02-09 09:03:46
1. µÍ°æ±¾²»Ö§³Ö³£Î¢·Ö·½³ÌÄâºÏ¡£
2. ´úÂëÒ²´æÔÚ´íÎó¡£Â¥Ö÷¶¨ÒåµÄ±äÁ¿ÓÐs,i,d Èý¸ö£¬ÄÇô×Ô±äÁ¿ÊÇÄĸöÄØ£¿Â¥Ö÷¶¨ÒåµÄ³£Î¢·Ö·½³ÌÓÐÈý¸ö s'=-a*s*i; d'=c*i; i'=a*s*i-b*i-c*i; ÕâÑù¿´À´£¬s i d¶¼ÊÇÒò±äÁ¿£¬ÄÇôȱÉÙ ...

лл»Ø´ð¡£¡£ÎÒÒ²ÊÇÐÂÊÖ£¬±¾À´ÓÃmatlab×öÉñ¾­ÍøÂçºÍÄ£ÄâÍË»ð£¬Ð§¹û¶¼ºÜ²î£¬Äú¿ÉÒÔ¿´ÏÂÎÒÁíһƪÇóÖúÌùÀïÓÐÄãºÍЧ¹ûͼ¡£×Ô±äÁ¿¾ÍÊÇt£¬×òÌì¸ÏµÃÌ«¼±Ã»ÓÐϸ¿´£¬ÎÒÔÙ¿´¿´
4Â¥2015-02-09 10:12:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 275Çóµ÷¼Á +3 Micky11223 2026-03-25 5/250 2026-03-25 22:32 by barlinike
[¿¼ÑÐ] 335·Ö | ²ÄÁÏÓ뻯¹¤×¨Ë¶ | GPA 4.07 | ÓпÆÑо­Àú +6 cccchenso 2026-03-23 6/300 2026-03-25 22:25 by 544594351
[¿¼ÑÐ] Ò»Ö¾Ô¸ÖÐÄÏ´óѧ»¯Ñ§Ñ§Ë¶0703×Ü·Ö337Çóµ÷¼Á +7 niko- 2026-03-22 7/350 2026-03-25 20:14 by qingfeng258
[¿¼ÑÐ] »¯Ñ§µ÷¼ÁÒ»Ö¾Ô¸ÉϺ£½»Í¨´óѧ336·Ö-±¾¿ÆÉϺ£211 +3 СÓã°®Óлú 2026-03-25 3/150 2026-03-25 20:13 by qingfeng258
[¿¼ÑÐ] 321Çóµ÷¼Á +3 è±Óñ~~ 2026-03-25 3/150 2026-03-25 19:07 by Zhanglab-TJU
[¿¼ÑÐ] 282Çóµ÷¼Á +3 wcq131415 2026-03-24 3/150 2026-03-25 12:16 by userper
[¿¼ÑÐ] Ò»Ö¾Ô¸¼ªÁÖ´óѧ²ÄÁÏÓ뻯¹¤303·ÖÇóµ÷¼Á +4 Ϊѧ666 2026-03-24 4/200 2026-03-25 11:27 by BruceLiu320
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çóµ¼Ê¦ÊÕ +7 ÌìÌìºÃÔËÀ´Éϰ¶° 2026-03-24 7/350 2026-03-24 20:26 by peike
[¿¼ÑÐ] 291Çóµ÷¼Á +3 HanBeiNingZC 2026-03-24 3/150 2026-03-24 16:34 by barlinike
[¿¼ÑÐ] Ò»Ö¾Ô¸»ª¶«Àí¹¤´óѧ081700£¬³õÊÔ·ÖÊý271 +5 kotoko_ik 2026-03-23 6/300 2026-03-24 10:29 by ѧÊõ°áשer
[¿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] »¯Ñ§308·ÖÇóµ÷¼Á +3 ÄãºÃÃ÷ÌìÄãºÃ 2026-03-23 3/150 2026-03-23 20:11 by macy2011
[¿¼ÑÐ] Çóµ÷¼ÁÒ»Ö¾Ô¸º£´ó£¬0703»¯Ñ§Ñ§Ë¶304·Ö£¬Óдó´´ÏîÄ¿£¬Ëļ¶Òѹý +6 ÐÒÔËÁ¨Á¨ 2026-03-22 10/500 2026-03-22 20:10 by edmund7
[¿¼ÑÐ] Ò»Ö¾Ô¸»ªÖпƼ¼´óѧ071000£¬Çóµ÷¼Á +4 ÑØ°¶Óб´¿Ç6 2026-03-21 4/200 2026-03-22 07:21 by ilovexiaobin
[¿¼ÑÐ] 336Çóµ÷¼Á +5 rmc8866 2026-03-21 5/250 2026-03-21 17:24 by ѧԱ8dgXkO
[»ù½ðÉêÇë] ѧУÒѾ­Ìá½»µ½NSFC£¬»¹ÄÜÐÞ¸ÄÂ𣿠40+4 babangida 2026-03-19 9/450 2026-03-21 16:12 by babangida
[¿¼ÑÐ] 279Çóµ÷¼Á +5 ºìÒÂÒþ¹Ù 2026-03-21 5/250 2026-03-21 14:59 by lature00
[¿¼ÑÐ] 085601µ÷¼Á 358·Ö +3 zzzzggh 2026-03-20 4/200 2026-03-21 10:21 by luoyongfeng
[¿¼ÑÐ] 353Çóµ÷¼Á +3 À­¹³²»Ðí±ä 2026-03-20 3/150 2026-03-20 19:56 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼Á +3 eation27 2026-03-20 3/150 2026-03-20 19:32 by JourneyLucky
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û