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[求助] 求助-多元非线性数据拟合

现有一组数据如下:
X1=[1,0.9,0.9,0.9,1,1,1,0.9,1,1,0.9];
X2=[1,0.6,0.6,0.6,0.6,0.6,0.6,0.6,0.6,0.6,0.6];
X3=[1,2.4,2.4,1.5,2.4,1.5,2.4,2.4,2.4,0.7,0.7];
X4=[1,0.9,1,0.9,0.9,1,0.9,0.9,0.9,0.9,0.9];
X5=[1,1.8,1.3,1.8,1.8,1.8,1.8,1.8,1.8,1.3,1.8];
X6=[1,1.3,0.8,1.3,0.8,0.8,0.8,0.8,1.3,0.8,0.8];
Y1=[1,3.3,2.4,1.7,4.9,3.3,8.2,3.8,5.8,0.1,1];
求因变量Y1和自变量X1,X2,X3,X4,X5,X6的非线性拟合方程?
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