[img]file:///C:\Users\admin\AppData\Roaming\Tencent\Users\249521348\QQ\WinTemp\RichOle\QOON5Q0JK[A}3VXL35CAMUF.png[/img] 图上蓝色的线将路径固定为1之后，模型的note显示：Iteration limit reached
The results that follow are therefore incorrect.
[color= ]The model is probably unidentified. In order to achieve identifiability, it will probably be necessary to impose 1 additional constraint.
[color= ]提示还需要增加一个限制
[color= ]但我固定其他路径的时候都没有问题，都可以出结果，唯独固定这个不行