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一个二元非线性拟合。
公式变换的对吗？想成y=f(x)的形式： 1：y=b+(1/(1/c^2-1/(x-a)^2))^0.5; 或： 2：y=b-(1/(1/c^2-1/(x-a)^2))^0.5; 两个都用1stOpt计算下，公式1结果如下（公式2似乎不合适） ...
3 years ago | 0
| accepted
