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ÀûÓü¸×éy-xÊý¾Ý£¬½øÐзÇÏßÐÔ×îСƽ·½ÄâºÏ(lsqcurvefit),ÔËÐкóµÃµ½½á¹ûÈçÏ£º Optimization terminated: relative function value changing by less than OPTIONS.TolFun. >> x x = 161.8259 -1.6753 0.2164 >> resnorm resnorm = 1.2678 >> ÇëÎÊ£º"Optimization terminated: relative function value changing by less than OPTIONS.TolFun.¡°Õâ¾ä»°ÊÇʲôÒâ˼£¿ ÎÒÒÔǰû½Ó´¥¹ýmatlab£¬ËùÒÔÇóÖú¸÷λÅóÓÑ£¬Ð»Ð»¡£ [ Last edited by dongdong3881 on 2009-12-14 at 16:20 ] |
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zjliu1265
ÖÁ×ðľ³æ (ÕýʽдÊÖ)
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zeoliters(½ð±Ò+2,VIP+0):лл»ØÌû½»Á÷£¡ 7-19 18:07
vigaryang(½ð±Ò+1,VIP+0):thank you 7-20 20:07
zeoliters(½ð±Ò+2,VIP+0):лл»ØÌû½»Á÷£¡ 7-19 18:07
vigaryang(½ð±Ò+1,VIP+0):thank you 7-20 20:07
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Ìáʾ˵Ã÷TolFunȡֵ(»òȱʡֵ)½Ï´ó£¬Äã¿ÉÒÔÓÃÏÂÃæµÄ¸ñʽ¼õСËü options = optimset('TolFun',1e-8); x=lsqcurvefit(fun,x0,xdata,ydata,lb,ub,options); |
2Â¥2009-07-18 16:32:18
ljbnudt
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Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
mingdong(½ð±Ò+1,VIP+0):¸Ðл½»Á÷£¡ 12-15 19:15
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
mingdong(½ð±Ò+1,VIP+0):¸Ðл½»Á÷£¡ 12-15 19:15
| maybe x0 is accurate enough, or you should decrease the tol value |
3Â¥2009-12-15 18:39:30














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