Research Article
Exploring Physics-Informed Neural Networks for the Generalized Nonlinear Sine-Gordon Equation
Figure 7
3D plots of the PINN point-wise absolute error (the difference of exact and PINN solution) for the dirichlet BCs using (a) adam (b) L-BFGS-B, and (c) combined adam & L-BFGS-B optimization algorithms.
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