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Question
数据拟合问题。
已知有五组数据，他们画出的曲线如图 我只能分别把五条曲线拟合为三次多项式，要求就是怎样把这五条曲线拟合为一个二元多项式表示 形式为F=a*i*Z+b*i*Z.^2+c*i*Z.^3的形式 i对应的式电流，Z对应的是气隙，F对应的轴向力
2 years ago | 1 answer | 0
