# \#oscillatory

**URL:** https://discourse.julialang.org/tag/oscillatory/612.md

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## [\[RFC/ANN\] OscillatoryIntegralsODE.jl: Levin method + OrdinaryDiffEq](https://discourse.julialang.org/t/rfc-ann-oscillatoryintegralsode-jl-levin-method-ordinarydiffeq/55601)

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**Author:** [@xzackli](https://discourse.julialang.org/u/xzackli)\
**Replies:** 3\
**Last updated:** [February 20, 2021, 3:12am UTC](https://discourse.julialang.org/t/rfc-ann-oscillatoryintegralsode-jl-levin-method-ordinarydiffeq/55601 "2021-02-20T03:12:21Z")

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I’m requesting feedback on OscillatoryIntegralsODE.jl, which numerically evaluates integrals I = \\int\_a^b f(x) S(rx) \\, dx where f(x) is smooth and not oscillatory, but S(x) is highly oscillatory for large frequencies r…