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function M=Monod(c,Y)
M= -c(1).*Y./(Y+c(2))


Y=[255.55 246.44 237.28 228.36 136.08 114 99.16 82.33 69.4 56.94 42.31 0];
x=[-0.78 -2.2268 -5.2033 -6.1377 -8.6137 -8.6428 -8.4792 -8.1692 -7.7128 -7.11 -6.3608 -1.9];
x=x/214.63;
c0=[0.03 0.3];beta=nlinfit(Y,x ,¡¯Monod¡¯,c0);
ΪÁ˲ÎÊýc(1),c(2)£¬Õâ¸öС³ÌÐò¿ì°ÑÎÒÕÛÄ¥ËÀÁË¡£ÏÖÔÚ³öÀ´NLINFIT did NOT converge. Returning results from last iteration.
beta =

    0.0271
   -8.1892
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dbb627

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vs570588(½ð±Ò+3): ллÄã 2011-06-03 13:26:07
vs570588(½ð±Ò+3): Ê®·Ö¸Ðл 2011-06-04 18:33:10
vs570588(½ð±Ò+1): ֻʣÏÂÒ»¸ö£¬Ð»Ð»ÄãÁË¡£Ï£ÍûÄãÄÜÔÙ°ïÎÒ¿´¿´ 2011-06-05 20:55:16
ÒýÓûØÌû:
Originally posted by dbb627 at 2011-06-02 21:41:09:
t= [0 2 7 9 19 22 24 26 28 30 32 40]';
c=[255.55 246.44 237.28 228.36 136.08 114 99.16 82.33 69.4 56.94 42.31 0]';
ft_ = fittype('k/(-1+exp(a*t)*C)',...
    'dependent',{'c'},'independent',{'t'} ...

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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.
8Â¥2011-06-02 21:50:44
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lidaxue

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sunyang1988(½ð±Ò+1): лл½»Á÷ 2011-06-01 18:34:14
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2Â¥2011-05-31 10:06:39
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vs570588

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Originally posted by lidaxue at 2011-05-31 10:06:39:
Â¥Ö÷µÄº¯ÊýÎļþÀïÃæ£¬ºÃÏñûÓÐÉæ¼°µ½xµÄ°¡£¬»¹ÓÐÄãµÄx=x/214.63;ɶÒâ˼£¿

ллÄã»Ø¸´£¬ÕâÊÇÎÒµÄÎÊÌ⣬Äã¿´¿´£¬ÓÐɶ°ì·¨Äܽâ¾ö£¿ds/dt  =  -q*S*X/(k+S)ÕâÀïδ֪²ÎÊýÊÇqºÍK, qÊDZÈ×î´ó½µ½âËÙÂÊ£¬KÊǰ뱥ºÍ³£Êý£¬XÊÇÎÛÄàŨ¶È214.63£¬Õâ¸öÖµÊǶ¨Öµ¡£SÊÇÎÛȾÎïµÄŨ¶È, t¿Ï¶¨¾ÍÊÇʱ¼äÁË¡£ÎÒ¾ßÌåÊÔÑéÊǸôÒ»¶Îʱ¼ä£¬È¡Ò»¸öÑùÆ·²â³öS,ËùÒÔÎÒ×îԭʼÊý¾ÝÊÇ
t=[0 2 7 9 19 22 24 26 28 30 32 40];
S=[255.55 246.44 237.28 228.36 136.08 114 99.16 82.33 69.4 56.94 42.31 0];
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3Â¥2011-05-31 16:42:18
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lidaxue

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sunyang1988(½ð±Ò+1): лл½»Á÷ 2011-06-01 18:34:23
vs570588(½ð±Ò+1): ллÄãÁË 2011-06-05 20:54:19
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4Â¥2011-05-31 18:47:03
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