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【求助】帮忙修改matlab 关于多项式拟合系数的程序 已有2人参与
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clc clear all X=[900,950,1000,1050,1100,1150,1200] Y=[-1,0,1,1.699] Z=[ 133.501 123.949 91.4564 70.3825 46.661 39.617 23.3159 187.145 187.145 139.5592 102.036 71.6103 63.1213 42.2399 259.807 222.929 186.213 164.972 118.145 92.631 72.015 286.845 259.389 256.336 181.183 139.285 116.330 84.791 ] Z=log10(Z) Xi=(900:1:1200) Yi=(-1:0.02:1.699) Zi=interp2(X,Y,Z,Xi,Yi','spline') Y2=[ Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi' Yi'] p = polyfit (Y2,Zi,2) 我想找到多项式拟合的系数,但是运行程序只是一组系数,但是我想找到每组数据的系数,不知道错在哪 请高手指教,不胜感激 [ Last edited by chzhiyu on 2010-4-19 at 20:45 ] |
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2楼2010-04-20 17:49:31
liuyalei820
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3楼2010-04-21 10:28:20
liuyalei820
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4楼2010-04-21 10:29:11














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