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zisuiye

金虫 (正式写手)

[求助] Ludwik方程回归分析

文献题目:modified stress-strain relation for FCC and alloys
作者:Ludwigson D C
杂志:Metallurgical Transactions,1971,2(10):2825-2828
里面有这样一个公式(1),作者把这个公式变形为公式(2),之后进行回归分析,回归分析这步我不大明白,哪位高手能告我一下呢?
我的实验数据如下:
x轴数据(也就是真应变):0.02998,0.09344,0.1569,0.22036,0.28382,0.34728,0.41074,0.4742,0.53766,0.60112。
y轴数据(也就是真应力):643.74723,778.26875,913.43674,1033.67256,1158.32082,1292.67013,1402.70584,1538.03948,1634.35194,1722.11083。
是先对x,y轴数据进行取对数计算,再进行回归分析;还是先把x,y轴数据画成文献中图1的形式之后再回归分析呢?
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zisuiye

金虫 (正式写手)

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