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GridArrays defines a collection of basic grids that act as an array. These arrays are also associated with a domain as defined by DomainSets.jl.
The package defines the roots of the classical orthogonal polynomials as arrays,
including ChebyshevTNodes, ChebyshevUNodes, LegendreNodes and others.
julia> using GridArrays
julia> g1 = EquispacedGrid(5, 0, 1)
5-element EquispacedGrid{Float64}:
0.0
0.25
0.5
0.75
1.0
julia> covering(g1)
0.0..1.0
julia> g2 = MidpointEquispacedGrid(5, 0..1)
5-element MidpointEquispacedGrid{Float64}:
0.1
0.30000000000000004
0.5
0.7000000000000001
0.9
julia> g3 = ChebyshevNodes(4)
4-element ChebyshevTNodes{Float64}:
-0.9238795325112867
-0.38268343236508984
0.3826834323650897
0.9238795325112867
julia> covering(g3)
-1.0..1.0 (Chebyshev)