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ssqin

铁虫 (初入文坛)

[求助] 有数据,求需要 origin软件拟合药物动力学曲线,求方程和R2

(1) Higuchi模型:y=k1t1/2+b1
(2) Weibull模型:lnln[100/(100−y)]=b2lnt−lnβ
(3)零级模型:y= k2t+b3
(4)一级模型:ln(100−y)=k3t+b4
其中,y:累积释放百分率;
t:不同的取样时间;
k1~k4:释药系数;
b1~b4:常数;
β:尺度
数据如下:
0        0
1h        21.78685%
2h        39.44309%
4h        58.65573%
6h        72.09205%
8h        81.55924%
10h        88.68408%
12h        94.39964%
第一列是时间,第二列是累积释放度
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ishine123

木虫 (正式写手)

你这个曲线拟合出来了吗?我也是到这里就不会了,在origin里面做了一天都还不清楚到底怎么弄才能做出来
我只是一棵小小草
2楼2014-06-11 20:21:52
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