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bucheron

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836449366: 金币+10 2014-06-05 10:37:42
使用polyfit拟合,然后把所有的试验点和拟合曲线画出来就可以了,不用分层,那样legend弄的时候比较麻烦。
Born to suffer !Born to burn!
11楼2014-02-14 19:24:08
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836449366

金虫 (小有名气)

x=[0 1 2 3 4];
y1=[2.1 3.0 3.9 4.9 6.2]
y2=[1.0 1.9 2.8 4.1 5.0]
A=polyfit(x,y1,1)
B=polyfit(x,y2,1)
X=polyval(A,x)
Y=polyval(B,x)
plot(x,y1,'r*',x,X,'b')
hold on
plot(x,y2,'k*',x,Y,'m')
12楼2014-06-05 10:54:55
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836449366

金虫 (小有名气)

引用回帖:
11楼: Originally posted by bucheron at 2014-02-14 19:24:08
使用polyfit拟合,然后把所有的试验点和拟合曲线画出来就可以了,不用分层,那样legend弄的时候比较麻烦。

按你的方法已经拟合成功了,那怎样才能显示不同的拟合公式和R^2值呢???
13楼2014-06-05 11:05:03
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