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 非线性拟合

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T O P I C    R E V I E W
Amina0912 Posted - 07/14/2021 : 10:02:51 AM
使用非线性拟合时，拟合完成后跳成一条与x轴相同的直线，且提示函数已收敛。重启软件及电脑都无法解决。

ruimin li
2   L A T E S T    R E P L I E S    (Newest First)
Jack Shao Posted - 10/30/2021 : 10:28:55 AM
你好，
根据我的经验，猜测题主应该是选择了两列作为数据源，所以您做出来的图像是两条拟合完成的曲线，其中那条平行线应该是您所多选的一列数。
解决方法是选一列要拟合的数据进行拟合，在“数据选择”中选择x,y轴坐标。
yuki_wu Posted - 07/20/2021 : 10:29:26 PM
Hi,

建议附图详细说明你的问题，且告知所用版本。

Regards, Yuki

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