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Hello @lululxvi ,
- How can we get the desired accuracy of the output result? ( suppose for error value== 1e-8).
- can we correlate Train, Test value to the accuracy of the result?
- Also, ho…
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陆路博士您好,我想使用DeepXDE求解输流直管横向运动微分方程。
其控制方程如图所示:
![image](https://user-images.githubusercontent.com/101779479/161878166-6e2b9259-e54d-4bf7-b224-b77dee12f2b8.png)
较为特殊的一点是其初始条件具有一个初始速度,形式是关于位移的一阶导…
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Hello @lululxvi,
Thank you for all the responses you have given up to now. Previously I have sent you my code and the training loss was large, so you suggested using "hard BCs" but I have a problem …
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Dear Dr. Lu,
Thanks for the provision of DeepXDE library , which greatly facilitates the use of PINN to solve differential equations!
The way to save and load the model was mentioned in the previous…
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Hi! My question is probably superfluous because it is very identical to issue #321. However, I am still having issues with my output after trying some of the suggestions given in the answers. The part…
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Is there any way to use JITCDDE for DDEs that cannot be expressed symbolically? I am training a neural network using Tensorflow+Keras to learn a DDE, and I want to use a DDE solver to numerically inte…
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Currently, PyRates allows to define edge delays either within the framework of ordinary differential equations (ODEs) as convolutions with gamma kernels or within a delayed differential equation (DDE)…
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kindly help me in implementing the different boundary condition in the different geometry of the problem,
Like. in unit square two sides have Dirichlet BC and Two sides have Neumann BC.
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Hello Lu,
I try to solve a two-dimensional partial differential equation that solves the option value over time. The equation has no exact solution, so it is not written in the code. but the …
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Dear Lu:
Recently, I was thinking about an inverse problem concerning the inversion of nonlinear equations. I'll use the following equation as an example.
PDE: u_t = (**K(u)**)u_xx,
I…