Add tests for the Jacobi ladder operators#234

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dlfivefifty wants to merge 3 commits intomainfrom

dl/ultrasphericalladder

Commits on Mar 2, 2025

Add tests for the Jacobi ladder operators
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Commits on Mar 3, 2025

Update test_ultraspherical.jl
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Commits on Mar 5, 2025

support (w .* (w .* P))
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