²é¿´: 3994  |  »Ø¸´: 30
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

cheng.jie

Ìú³æ (³õÈëÎÄ̳)

[ÇóÖú] Çómatlab±à³ÌÇó¶¯Á¦Ñ§·½³ÌµÄ·½·¨ ÒÑÓÐ1È˲ÎÓë

Çó¶¯Á¦Ñ§·½³Ì£¬¶¯Á¦Ñ§Ä£ÐÍΪ-dC/dt=kC^n*H2^m
C-·´Ó¦ÎïŨ¶È£¬H2-ÇâÆøÅ¨¶È£¬n¡¢mΪ·´Ó¦¼¶Êý
ÏÂÃæÊÇСµÜ±àµÄ³ÌÐò£¬Óûý·Ö·¨Çó½â£¬²»ÖªµÀÄÇ´íÁË£¬Çó½â¡£
Íò·Ö¸Ðл£¡

Çómatlab±à³ÌÇó¶¯Á¦Ñ§·½³ÌµÄ·½·¨
we.png
»Ø¸´´ËÂ¥
»¯Ñ§¹¤³Ì
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cheng.jie

Ìú³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
2Â¥: Originally posted by dingd at 2016-02-18 13:09:34
°ÑÊý¾ÝÒ»ÆðÌùÉÏÀ´¿´¿´¡£

¸ÄÁËһϣ¬»¹ÊÇÓÐÎÊÌâ
Çómatlab±à³ÌÇó¶¯Á¦Ñ§·½³ÌµÄ·½·¨-1
cn.png

»¯Ñ§¹¤³Ì
3Â¥2016-02-18 21:06:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 31 ¸ö»Ø´ð

dingd

Ìú¸Ëľ³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
°ÑÊý¾ÝÒ»ÆðÌùÉÏÀ´¿´¿´¡£
2Â¥2016-02-18 13:09:34
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 ¡ï
cheng.jie: ½ð±Ò+5, ¡ï¡ï¡ïºÜÓаïÖú 2016-02-19 10:15:53
1stoptÇó½â£º
CODE:
Variable t,CA,H2;
ODEFunction CA'=-b1*CA^b2*H2^b3;
Data;
0.2        0.291        0.023
0.3        0.186        0.015
0.4        0.134        0.015
0.5        0.112        0.008
0.6        0.101        0.007

½á¹û£º
¾ù·½²î(RMSE):0.00100891050250012
²Ð²îƽ·½ºÍ(SSE):4.07160160822017E-6
Ïà¹ØÏµÊý(R): 0.999523756883315
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.999047740574135
È·¶¨ÏµÊý(DC): 0.99904752287076
Fͳ¼Æ(F-Statistic): 524.946987859728

²ÎÊý                  ×î¼Ñ¹ÀËã
--------------------        -------------
b1        528.649477236961
b2        1.76972373230894
b3        0.867592011313839
Çómatlab±à³ÌÇó¶¯Á¦Ñ§·½³ÌµÄ·½·¨-2
c2.jpg

4Â¥2016-02-19 10:09:08
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

cheng.jie

Ìú³æ (³õÈëÎÄ̳)

ÒýÓûØÌû:
4Â¥: Originally posted by dingd at 2016-02-19 10:09:08
1stoptÇó½â£º

Variable t,CA,H2;
ODEFunction CA'=-b1*CA^b2*H2^b3;
Data;
0.2        0.291        0.023
0.3        0.186        0.015
0.4        0.134        0.015
0.5        0.112        0.008
0.6        0.101        0.007


½á¹û£º
¾ù·½²î(RMSE):0.00100891050 ...

ºÃ°ô£¬ÄÜ·ñ°Ñmatlab³ÌÐò·¢ÎÒÒ»·Ý£¬Ð¡µÜÏëѧһѧ£¬Íò·Ö¸Ðл£¡
»¯Ñ§¹¤³Ì
5Â¥2016-02-19 10:13:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ÄÜÔ´²ÄÁÏ»¯Ñ§¿ÎÌâ×éÕÐÊÕ˶ʿÑо¿Éú8-10Ãû +4 ÍÑÓ±¶ø³ö 2026-03-16 8/400 2026-03-18 12:05 by Éϰ¶Éϰ¶¡­¡­..
[¿¼ÑÐ] 299Çóµ÷¼Á +5 ¡÷С͸Ã÷* 2026-03-17 5/250 2026-03-18 11:49 by ¾¡Ë´Ò¢1
[¿¼ÑÐ] ¹¤¿Æ²ÄÁÏ085601 279Çóµ÷¼Á +6 À§ÓÚÐdz¿ 2026-03-17 6/300 2026-03-18 10:21 by kkcoco25
[¿¼ÑÐ] ÉúÎïѧ071000 329·ÖÇóµ÷¼Á +3 ÎÒ°®ÉúÎïÉúÎﰮΠ2026-03-17 3/150 2026-03-18 10:12 by macy2011
[¿¼²©] 26²©Ê¿ÉêÇë +3 1042136743 2026-03-17 3/150 2026-03-17 23:30 by ÇáËɲ»ÉÙËæ
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +6 Ϊѧ666 2026-03-16 6/300 2026-03-17 20:15 by peike
[¿¼ÑÐ] 301Çóµ÷¼Á +4 A_JiXing 2026-03-16 4/200 2026-03-17 17:32 by ruiyingmiao
[¿¼ÑÐ] ²ÄÁϹ¤³Ìר˶µ÷¼Á +5 204818@lcx 2026-03-17 5/250 2026-03-17 17:27 by Little-xue
[¿¼ÑÐ] Áº³ÉΰÀÏʦ¿ÎÌâ×é»¶Ó­ÄãµÄ¼ÓÈë +8 һѼѼӴ 2026-03-14 10/500 2026-03-17 15:07 by һѼѼӴ
[¿¼ÑÐ] 085600µ÷¼Á +5 ÑúÑú123sun 2026-03-12 6/300 2026-03-16 15:58 by ÑúÑú123sun
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çó¸÷λÀÏʦÊÕÁô +8 ÇïÓÐľ±± 2026-03-14 8/400 2026-03-16 15:21 by ŶŶ123
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤Ò»Ö¾Ô¸Äϲý´óѧ327Çóµ÷¼ÁÍÆ¼ö +7 Ncdx123456 2026-03-13 8/400 2026-03-16 12:15 by karry wen
[¿¼ÑÐ] ÇóÀÏʦÊÕÁôµ÷¼Á +4 jiang½ª66 2026-03-14 5/250 2026-03-15 20:11 by Winj1e
[¿¼ÑÐ] 328Çóµ÷¼Á +3 5201314Lsy£¡ 2026-03-13 6/300 2026-03-14 15:31 by hyswxzs
[¿¼ÑÐ] 315Çóµ÷¼Á +9 СÑòСÑò_ 2026-03-11 10/500 2026-03-13 21:13 by SXNUÀîÀÏʦ
[¿¼ÑÐ] 310Çóµ÷¼Á +3 ¡¾ÉÏÉÏÇ©¡¿ 2026-03-11 3/150 2026-03-13 16:16 by JourneyLucky
[¿¼ÑÐ] Çóµ÷¼Á +3 ³ÌÓ꺼 2026-03-12 3/150 2026-03-13 15:06 by JourneyLucky
[¿¼ÑÐ] ÍÁľµÚÒ»Ö¾Ô¸276Çóµ÷¼Á£¬¿ÆÑкͼ¼ÄÜÊ®·Ö·á¸»£¬ÇóÐÂÐË·½ÏòµÄµ¼Ê¦ÊÕÁô +3 ÍÁľСÌì²Å 2026-03-12 3/150 2026-03-13 15:01 by JourneyLucky
[¿¼ÑÐ] 308Çóµ÷¼Á +3 ÊÇLupa°¡ 2026-03-12 3/150 2026-03-13 14:30 by Çóµ÷¼Ázz
[¿¼ÑÐ] 0817»¯Ñ§¹¤³ÌÓë¼¼Êõ¿¼ÑÐ312·Öµ÷¼Á +3 T123 tt 2026-03-12 3/150 2026-03-13 10:49 by houyaoxu
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û