RBFExpansion# class nfflr.nn.RBFExpansion(vmin: float = 0, vmax: float = 8, bins: int = 40, lengthscale: float | None = None)[source]# Expand interatomic distances with radial basis functions. Methods forward(distance) Apply RBF expansion to interatomic distance tensor. forward(distance: Tensor) → Tensor[source]# Apply RBF expansion to interatomic distance tensor.