# \#abstractrange

**URL:** https://discourse.julialang.org/tag/abstractrange/1728.md

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## [Concatenated ranges](https://discourse.julialang.org/t/concatenated-ranges/126042)

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**Author:** [@RainerHeintzmann](https://discourse.julialang.org/u/RainerHeintzmann)\
**Replies:** 7\
**Last updated:** [February 19, 2025, 4:51pm UTC](https://discourse.julialang.org/t/concatenated-ranges/126042 "2025-02-19T16:51:44Z")

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For some applications concatenated ranges would be nice. E.g. it would simplify working with rotated indices, obviating the need for fftshift for some calculations. E.g. if I want to construct a suitable Gaussian in Four…

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## [NonLinearRange](https://discourse.julialang.org/t/nonlinearrange/125221)

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**Author:** [@RainerHeintzmann](https://discourse.julialang.org/u/RainerHeintzmann)\
**Replies:** 7\
**Last updated:** [January 28, 2025, 8:58am UTC](https://discourse.julialang.org/t/nonlinearrange/125221 "2025-01-28T08:58:54Z")

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I was looking for way to way to allow multi-kernel broadcasting to act also over non-linear ranges. E.g. consider a complex exponential exp.(1im .\* k0 .\* x) with k0=1.35 being a scalar and x=0:255 a linear range. This …