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tju_zzy

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[求助] 关于ORIGIN的非线性拟合

如图所示,想把数据拟合成exp(-p*t)*sin(omega*t+fei)+b*t^2+c*t+d,但是总是提前收敛,求大神指教。。。实在是没金币。。。
第一张图是原数据,
第二张图是拟合曲线
第三张图是拟合数据

关于ORIGIN的非线性拟合
20150310111855.jpg


关于ORIGIN的非线性拟合-1
20150310111733.jpg


关于ORIGIN的非线性拟合-2
20150310111812.jpg
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