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最小二乘法拟合的问题。
首先，这个初值我测试过是可行的； 其次，需要提醒你一下，根据你的拟合函数以及数据，来看你给出的输出结果应该是错的。很容易发现，当t趋于无穷时，f=x(1)，换句话说，x(1)>6.59，而你的输出结果显示x(1)=0.007，感觉应该是你的单位有问题； ...
3 years ago | 0
| accepted
