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pinn

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neurodiffeq
smao-astro
smao-astro commented Dec 27, 2020

Hi,

I am pretty new to neurodiffeq, thank you very much for the excellent library.

I am interested in the way, and the computational speed, of computing partial derivatives w.r.t. the inputs.

Take forward ODE (1D, 1 unknown variable) solver for example, the input is x, a batch of coordinates, and the output of the neural network is y, the approximated solution of the PDE at these coo

enhancement good first issue question
StillerPatrick
StillerPatrick commented Mar 4, 2021
  • Split the EC Dataset into three datasets
  • Implement the Normalization Condition as a new designed Boundary Condition (https://pytorch.org/docs/stable/generated/torch.trapz.html) could make things easier
  • Integrate the new normalization condition into the PINN loss calculation
  • Switch from x,y,t representation to a single tensor that represents all cases
  • Integrate t
enhancement good first issue help wanted

To address some of the failure modes in training of physics informed neural networks, a Lagrangian architecture is designed to conform to the direction of travel of information in convection-diffusion equations, i.e., method of characteristic; The repository includes a pytorch implementation of PINN and proposed LPINN with periodic boundary conditions

  • Updated May 17, 2022
  • Python

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