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slgu · 2008-06-20, 01:18

yhat=b(1)*exp(b(2)*x+b(3)*x.^2)./(1+b(4)*x+b(5)*x.^2);

b=[1.35694961, -.108516533, .438971621e-2, -.919315083e-1, .485352136e-2]
RSS =.3148843759e-3
RMSe = 1.2111e-005
R^2 =.998221

2008-06-20, 01:18	#2
slgu 高级会员注册日期: 2007-06-24 年龄: 70 帖子: 188 声望力: 21	yhat=b(1)exp(b(2)x+b(3)x.^2)./(1+b(4)x+b(5)*x.^2); b=[1.35694961, -.108516533, .438971621e-2, -.919315083e-1, .485352136e-2] RSS =.3148843759e-3 RMSe = 1.2111e-005 R^2 =.998221