Table 2 Key hyperparameters.

From: Evaluating physics informed neural networks for water contamination risk prediction and environmental sustainability

Category

Hyperparameter

Value

Model architecture

Number of hidden layers

4

Neurons per layer

[256, 128, 64, 32]

Activation function

Hyperbolic tangent function

Dropout Rate

0.2

Regularization

L\(_{2}\) Regularization

0.001

Loss function

(WQI loss)

0.7

 

(Physics loss)

0.3

Optimizer and learning

Optimizer

Adam

 

Initial Learning Rate

0.001

Training configuration

Epochs

200