how to get the boudnary points in data pde？

[liangaomng]

Hello, I want to ask how to get the boundary and cal the boundary loss by extract from trainx？because we want to modify loss

    trianx=self.data.train_points()

[Fankunkun123]

Hello, sorry to bother you. Have you solved your problem?
I have a question for you:

If you have extracted the data point x, how did you modify the loss function or add the data loss to the total loss?

Thank you.

[lululxvi]

@liangaomng Check the docstring and comments of the code, and you will understand.