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Traits
Base super trait
Coordinates and base functions
Transform from orthogonal <-> composite base
Gradient
Collection of differentiation matrix operators
Collection of Laplacian matrix operators
Collection of stencil matrix operators
Dimensions
The associated types Physical and Spectral refer to the scalar types in the physical and spectral space. For example, Fourier transforms from real-to-complex, while Chebyshev transforms from real-to-real.