# Specific Domains

**URL:** https://discourse.julialang.org/c/domain/10.md?no_subcategories=false&page=38

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**Page:** 39

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## [TuringGLM.jl and offsets / exposure](https://discourse.julialang.org/t/turingglm-jl-and-offsets-exposure/129772)

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**Author:** [@DrEntropy](https://discourse.julialang.org/u/DrEntropy)\
**Replies:** 1\
**Last updated:** [June 10, 2025, 8:31am UTC](https://discourse.julialang.org/t/turingglm-jl-and-offsets-exposure/129772 "2025-06-10T08:31:38Z")

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The roaches example, Poisson Regression · TuringGLM.jl ignores the exposure. In BRMS this is done using a formula term like this " … + offset(log(exposure))\` . GLM.jl handles this with an extra argument to the call.…

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## [Type stability of \`Lux.batched\_jacobian\`](https://discourse.julialang.org/t/type-stability-of-lux-batched-jacobian/128526)

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**Author:** [@NoFishLikeIan](https://discourse.julialang.org/u/NoFishLikeIan)\
**Replies:** 5\
**Last updated:** [June 10, 2025, 8:56am UTC](https://discourse.julialang.org/t/type-stability-of-lux-batched-jacobian/128526 "2025-06-10T08:56:01Z")

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How can I make the call to Lux.batched\_jacobian of a StatefulLuxLayer type stable? I am using Lux v1.12.4. Consider this MWE: using Lux using Random; rng = Xoshiro(42) input, output = 6, 2 model = Chain(Dense(input =\> …

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## [Gurobi Error 10030: No compatible runtime available for version 12.0.2](https://discourse.julialang.org/t/gurobi-error-10030-no-compatible-runtime-available-for-version-12-0-2/129763)

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**Author:** [@manoj.centura](https://discourse.julialang.org/u/manoj.centura)\
**Replies:** 1\
**Last updated:** [June 9, 2025, 8:09pm UTC](https://discourse.julialang.org/t/gurobi-error-10030-no-compatible-runtime-available-for-version-12-0-2/129763 "2025-06-09T20:09:59Z")

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:1st\_place\_medal: i All, Getting this error please help us out. This is for Julia 1.6 \`\`\`Status C:\\Users\\manojkumar.ram\\.julia\\environments\\v1.10\\Project.toml \[a93c6f00\] DataFrames v1.7.0 \[2e9cd046\] Gurobi v1.7.4 \[4…

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## [TerminateSteadyState callback on DiscreteProblem?](https://discourse.julialang.org/t/terminatesteadystate-callback-on-discreteproblem/129670)

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**Author:** [@sdwfrost](https://discourse.julialang.org/u/sdwfrost)\
**Replies:** 5\
**Last updated:** [June 9, 2025, 2:27pm UTC](https://discourse.julialang.org/t/terminatesteadystate-callback-on-discreteproblem/129670 "2025-06-09T14:27:20Z")

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Hi all, I’d like to use TerminateSteadyState from DiffEqCallbacks.jl on a DiscreteProblem, but the default test function is based on derivatives (which my model doesn’t have). I see that one can define their own test fu…

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## [Julia for HEP now available via CVMFS](https://discourse.julialang.org/t/julia-for-hep-now-available-via-cvmfs/129737)

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**Author:** [@oschulz](https://discourse.julialang.org/u/oschulz)\
**Replies:** 5\
**Last updated:** [June 9, 2025, 11:48am UTC](https://discourse.julialang.org/t/julia-for-hep-now-available-via-cvmfs/129737 "2025-06-09T11:48:56Z")

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I’m happy to announce that we now have a HEP (particle physics) Julia distribution available via CVMFS (thanks for all the friendly help here!). Two container images registry.cern.ch/juliahep/juliahep-core:latest: A …

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## [How to rectify a \`v::Vector{Float64}\` so that \`sum(v) == 0\`?](https://discourse.julialang.org/t/how-to-rectify-a-v-vector-float64-so-that-sum-v-0/129633)

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**Author:** [@WalterMadelim](https://discourse.julialang.org/u/WalterMadelim)\
**Replies:** 14\
**Last updated:** [June 9, 2025, 11:40am UTC](https://discourse.julialang.org/t/how-to-rectify-a-v-vector-float64-so-that-sum-v-0/129633 "2025-06-09T11:40:07Z")

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I have a vector v::Vector{Float64} which satisfies isapprox(sum(v), 0; atol = 1e-12). Now I want to rectify the v somehow so that sum(v) == 0 becomes true. Is there a nice method? The following is an example where my …

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## [DenseAxisArray in JuMP](https://discourse.julialang.org/t/denseaxisarray-in-jump/129258)

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**Author:** [@WalterMadelim](https://discourse.julialang.org/u/WalterMadelim)\
**Replies:** 5\
**Last updated:** [June 3, 2025, 8:35am UTC](https://discourse.julialang.org/t/denseaxisarray-in-jump/129258 "2025-06-03T08:35:46Z")

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I wonder why is the y below so complicated, unlike x. julia\> using JuMP julia\> model = Model(); julia\> @variable(model, x\[1:3\]); x 3-element Vector{VariableRef}: x\[1\] x\[2\] x\[3\] julia\> R = 1:3 1:3 julia\> @variable…

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## [Symbolics & MTK Pipeline - Lagrangians](https://discourse.julialang.org/t/symbolics-mtk-pipeline-lagrangians/129730)

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**Author:** [@Gray\_GALLANT](https://discourse.julialang.org/u/Gray_GALLANT)\
**Replies:** 2\
**Last updated:** [June 9, 2025, 4:04am UTC](https://discourse.julialang.org/t/symbolics-mtk-pipeline-lagrangians/129730 "2025-06-09T04:04:46Z")

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Hello, I am trying to use Symbolics.jl with ModelingToolkit. I’m confused on how to properly use the two packages together to define a Lagrangian that can be integrated in MTK. I suspect that my approach (broadly) is in…

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## [Why are names not allowed for upper/lower bound constraints?](https://discourse.julialang.org/t/why-are-names-not-allowed-for-upper-lower-bound-constraints/129727)

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**Author:** [@klamike](https://discourse.julialang.org/u/klamike)\
**Replies:** 3\
**Last updated:** [June 8, 2025, 9:36pm UTC](https://discourse.julialang.org/t/why-are-names-not-allowed-for-upper-lower-bound-constraints/129727 "2025-06-08T21:36:42Z")

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I saw Implement names for constrained variables · Issue #193 · jump-dev/Dualization.jl · GitHub was recently opened based on another post Can't get the example dualization to work. What is the reasoning behind not allow…

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## [AMDGPU on AI HX370 versioninfo() crashes](https://discourse.julialang.org/t/amdgpu-on-ai-hx370-versioninfo-crashes/129733)

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**Author:** [@jdad](https://discourse.julialang.org/u/jdad)\
**Replies:** 4\
**Last updated:** [June 8, 2025, 5:12pm UTC](https://discourse.julialang.org/t/amdgpu-on-ai-hx370-versioninfo-crashes/129733 "2025-06-08T17:12:12Z")

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I try to use my Asus-Vivobook S16 which has an AMD AI HX370 CPU/GPU (gfx1150) . I installed ROCM under Ubuntu 24.04 davidj@vivoai:~$ rocminfo ROCk module version 6.12.12 is loaded ========== HSA Agents …

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## [Plotting into buffer](https://discourse.julialang.org/t/plotting-into-buffer/129641)

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**Author:** [@oheil](https://discourse.julialang.org/u/oheil)\
**Replies:** 11\
**Last updated:** [June 7, 2025, 6:32am UTC](https://discourse.julialang.org/t/plotting-into-buffer/129641 "2025-06-07T06:32:52Z")

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Is it possible and how to plot into an existing buffer with Makie.jl ? My guess is that Cairomakie.jl would be the choice, but I can’t find a solution for it. The reason for this task is, that I want to hand over the bu…

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## [For a training iteration or the evaluation simulation (after training), is burn-in period implemented in SDDP.jl?](https://discourse.julialang.org/t/for-a-training-iteration-or-the-evaluation-simulation-after-training-is-burn-in-period-implemented-in-sddp-jl/129652)

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**Author:** [@Engr\_Moiz\_Ahmad](https://discourse.julialang.org/u/Engr_Moiz_Ahmad)\
**Replies:** 4\
**Last updated:** [June 6, 2025, 9:35pm UTC](https://discourse.julialang.org/t/for-a-training-iteration-or-the-evaluation-simulation-after-training-is-burn-in-period-implemented-in-sddp-jl/129652 "2025-06-06T21:35:11Z")

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I am dealing with a multi-stage mixed-integer stochastic global supply chain optimization problem. In this regard, I want to determine whether the burn-in period (for the random sampling process) is already incorporated…

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## [Indexing by names, current favorites in the package space](https://discourse.julialang.org/t/indexing-by-names-current-favorites-in-the-package-space/123097)

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**Author:** [@cdawg](https://discourse.julialang.org/u/cdawg)\
**Replies:** 7\
**Last updated:** [June 6, 2025, 8:40pm UTC](https://discourse.julialang.org/t/indexing-by-names-current-favorites-in-the-package-space/123097 "2025-06-06T20:40:18Z")

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I loved AxisArrays.jl. However AxisArrays is old (designed pre1.0). It still works…ok, but I miss broadcasting and Not-.indexing. I did not learn about its newer counterparts until I had written a few weeks of analysis a…

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## [Optimizing Large-Scale Problems: One Large Problem vs. Multiple Smaller Ones](https://discourse.julialang.org/t/optimizing-large-scale-problems-one-large-problem-vs-multiple-smaller-ones/129711)

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**Author:** [@fdekerme](https://discourse.julialang.org/u/fdekerme)\
**Replies:** 1\
**Last updated:** [June 6, 2025, 6:50pm UTC](https://discourse.julialang.org/t/optimizing-large-scale-problems-one-large-problem-vs-multiple-smaller-ones/129711 "2025-06-06T18:50:46Z")

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Hello :grinning:, By reading this example of NonlinearSolve.jl, I was asking myself if it was better to define large-scale optimization problem as 1 large problem (f2) or several small problems (f1). According to the c…

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## [CUDA | custom structs](https://discourse.julialang.org/t/cuda-custom-structs/129579)

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**Author:** [@Audrius-St](https://discourse.julialang.org/u/Audrius-St)\
**Replies:** 3\
**Last updated:** [June 6, 2025, 6:45pm UTC](https://discourse.julialang.org/t/cuda-custom-structs/129579 "2025-06-06T18:45:00Z")

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Edit and update: 2025-June-4 Hello, I’m working on converting the following custom struct # test\_struct\_CUDA.jl using FFTW Base.@kwdef struct FourierTransformPlan3D{n\_rows, n\_cols, n\_slices} # FT frequency shif…

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## [ForwardDiff over closed interval](https://discourse.julialang.org/t/forwarddiff-over-closed-interval/129629)

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**Author:** [@weymouth](https://discourse.julialang.org/u/weymouth)\
**Replies:** 4\
**Last updated:** [June 6, 2025, 1:32pm UTC](https://discourse.julialang.org/t/forwarddiff-over-closed-interval/129629 "2025-06-06T13:32:43Z")

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I need to optimize a function f(u) defined over a closed domain u =\[0,1\]. I was happily using Newton’s method and FowardDiff for this until I tried upgrading to v1.0. Now, ForwardDiff intentionally gives the derivative o…

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## [Quick & dirty online interpolation in Rn](https://discourse.julialang.org/t/quick-dirty-online-interpolation-in-rn/129698)

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**Author:** [@Tamas\_Papp](https://discourse.julialang.org/u/Tamas_Papp)\
**Replies:** 2\
**Last updated:** [June 6, 2025, 12:11pm UTC](https://discourse.julialang.org/t/quick-dirty-online-interpolation-in-rn/129698 "2025-06-06T12:11:55Z")

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I am estimating the model which requires mapping a set of parameters x to an implicit solution y = f(x), defined by some F(x, y) = 0. I am solving this problem about 40000 times in a typical run. The cost of calculating …

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## [JuMP support for "linear conditional expression" reformulation as MILP in 2025](https://discourse.julialang.org/t/jump-support-for-linear-conditional-expression-reformulation-as-milp-in-2025/129679)

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**Author:** [@pierre-haessig](https://discourse.julialang.org/u/pierre-haessig)\
**Replies:** 4\
**Last updated:** [June 6, 2025, 7:59am UTC](https://discourse.julialang.org/t/jump-support-for-linear-conditional-expression-reformulation-as-milp-in-2025/129679 "2025-06-06T07:59:56Z")

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Hello, I’d like to know to what extent the present (mid-2025) state of JuMP includes the work of @rdeits in GitHub - rdeits/ConditionalJuMP.jl: Automatic transformation of implications and complementarity into mixed-int…

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## [MTK : equations, unkowns and initial cond different lengths](https://discourse.julialang.org/t/mtk-equations-unkowns-and-initial-cond-different-lengths/129642)

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**Author:** [@Sushrut\_Deshpande](https://discourse.julialang.org/u/Sushrut_Deshpande)\
**Replies:** 7\
**Last updated:** [June 6, 2025, 6:53am UTC](https://discourse.julialang.org/t/mtk-equations-unkowns-and-initial-cond-different-lengths/129642 "2025-06-06T06:53:13Z")

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Hello, I am playing with a toy problem and I have a query with internal equation generation. The following will fail using ModelingToolkit using ModelingToolkit: t\_nounits as t, D\_nounits as D @component function m…

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## [Coluna.jl iteratively generate columns infos](https://discourse.julialang.org/t/coluna-jl-iteratively-generate-columns-infos/129636)

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**Author:** [@Luca](https://discourse.julialang.org/u/Luca)\
**Replies:** 13\
**Last updated:** [June 6, 2025, 1:58am UTC](https://discourse.julialang.org/t/coluna-jl-iteratively-generate-columns-infos/129636 "2025-06-06T01:58:41Z")

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Dear Coluna.jl developers, I am using Coluna.jl (https://atoptima.github.io/Coluna.jl/dev/) for a simple branch-and-price approach to the VRP. Is there a way to use Coluna.jl without having all the column information at…

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## [Astronomy PSF](https://discourse.julialang.org/t/astronomy-psf/129430)

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**Author:** [@Cyan](https://discourse.julialang.org/u/Cyan)\
**Replies:** 2\
**Last updated:** [June 5, 2025, 4:02pm UTC](https://discourse.julialang.org/t/astronomy-psf/129430 "2025-06-05T16:02:52Z")

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If I have a PSF and a unconvolve image, Does there exist a expert PSF package to convolve the image?

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## [Speeding Up Julia Startup with MPI: Using Scratch Space to Mitigate HDD Access Delay](https://discourse.julialang.org/t/speeding-up-julia-startup-with-mpi-using-scratch-space-to-mitigate-hdd-access-delay/128971)

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**Author:** [@0samuraiE](https://discourse.julialang.org/u/0samuraiE)\
**Replies:** 9\
**Last updated:** [June 5, 2025, 1:36pm UTC](https://discourse.julialang.org/t/speeding-up-julia-startup-with-mpi-using-scratch-space-to-mitigate-hdd-access-delay/128971 "2025-06-05T13:36:11Z")

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Hello everyone, I’m currently experiencing a significant slowdown when launching Julia with MPI on my cluster. I suspect that the issue might be due to the long HDD access times. To mitigate this, I am considering copy…

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## [What are the biggest differences between Makie.jl and Plots.jl?](https://discourse.julialang.org/t/what-are-the-biggest-differences-between-makie-jl-and-plots-jl/76643)

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**Author:** [@matic\_lauko](https://discourse.julialang.org/u/matic_lauko)\
**Replies:** 14\
**Last updated:** [June 5, 2025, 10:59am UTC](https://discourse.julialang.org/t/what-are-the-biggest-differences-between-makie-jl-and-plots-jl/76643 "2025-06-05T10:59:18Z")

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I’m considering using one of those visualization packages, but I don’t know which one is better, using it for everything from particle simulations, object simulations, and mathematical graphs - also interactive if possib…

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## [Cyclic Job shop Scheduling](https://discourse.julialang.org/t/cyclic-job-shop-scheduling/129409)

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**Author:** [@Ely](https://discourse.julialang.org/u/Ely)\
**Replies:** 6\
**Last updated:** [June 4, 2025, 9:07pm UTC](https://discourse.julialang.org/t/cyclic-job-shop-scheduling/129409 "2025-06-04T21:07:37Z")

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Hi everyone, I am trying to work on the cyclic job shop scheduling problem mentioned in the following paper:https://laas.hal.science/hal-02318936v1/document especially equations from 5a to 5f and the example 2. Attached…

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## [Performance issue with Turing (but not Optimization)](https://discourse.julialang.org/t/performance-issue-with-turing-but-not-optimization/129611)

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**Author:** [@Bill\_Holmes](https://discourse.julialang.org/u/Bill_Holmes)\
**Replies:** 9\
**Last updated:** [June 4, 2025, 7:35pm UTC](https://discourse.julialang.org/t/performance-issue-with-turing-but-not-optimization/129611 "2025-06-04T19:35:14Z")

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Hello all Turing experts. I am having a vexing issue with using NUTS sampling to sample from the posterior of a semi-complicated model involving ODE’s. This is a performance issue that I can’t track down. Unfortunately I…

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## [Heat/Burgers using rectangular collocation via ClassicalOrthogonalPolynomials.jl and OrdinaryDiffEq.jl](https://discourse.julialang.org/t/heat-burgers-using-rectangular-collocation-via-classicalorthogonalpolynomials-jl-and-ordinarydiffeq-jl/129520)

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**Author:** [@dlfivefifty](https://discourse.julialang.org/u/dlfivefifty)\
**Replies:** 7\
**Last updated:** [June 4, 2025, 7:24pm UTC](https://discourse.julialang.org/t/heat-burgers-using-rectangular-collocation-via-classicalorthogonalpolynomials-jl-and-ordinarydiffeq-jl/129520 "2025-06-04T19:24:50Z")

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I recently created an example of solving time-evolution PDEs with rectangular collocation and thought this might be helpful for others. This uses ClassicalOrthogonalPolynomials.jl, which has similar underlying mathematic…

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## [Why is my GPU kernel an order of magnitude slower than my CPU function?](https://discourse.julialang.org/t/why-is-my-gpu-kernel-an-order-of-magnitude-slower-than-my-cpu-function/129596)

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**Author:** [@jwtkeeble](https://discourse.julialang.org/u/jwtkeeble)\
**Replies:** 8\
**Last updated:** [June 4, 2025, 1:41pm UTC](https://discourse.julialang.org/t/why-is-my-gpu-kernel-an-order-of-magnitude-slower-than-my-cpu-function/129596 "2025-06-04T13:41:39Z")

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Hi All, I’m relatively new to Julia and I’ve been trying to benchmark a nested-loop function over 2 arrays, on both the CPU and GPU, however, the CPU version is significantly quicker. Now, I’m sure that this is due to …

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## [Timeout issues on slurm cluster](https://discourse.julialang.org/t/timeout-issues-on-slurm-cluster/58303)

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**Author:** [@ffreyer](https://discourse.julialang.org/u/ffreyer)\
**Replies:** 7\
**Last updated:** [June 4, 2025, 9:20am UTC](https://discourse.julialang.org/t/timeout-issues-on-slurm-cluster/58303 "2025-06-04T09:20:33Z")

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I’ve been running into IOError: connect: connection timed out (ETIMEDOUT) with about half my jobs using ClusterManagers on a slurm cluster. This issue started appearing about a month ago with julia 1.3 and ClusterManager…

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## [Build a Build deep neural network classifier using a long short-term memory (LSTM) architecture](https://discourse.julialang.org/t/build-a-build-deep-neural-network-classifier-using-a-long-short-term-memory-lstm-architecture/129606)

<div class="topic-metadata">

**Author:** [@Ltukondjere](https://discourse.julialang.org/u/Ltukondjere)\
**Replies:** 3\
**Last updated:** [June 4, 2025, 4:30am UTC](https://discourse.julialang.org/t/build-a-build-deep-neural-network-classifier-using-a-long-short-term-memory-lstm-architecture/129606 "2025-06-04T04:30:03Z")

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Good day, Please help me. I recently started with Julia and i am trying to use it to build a deep neural network classifier using a long short-term memory (LSTM) architecture. I manage to load my data, did text preproce…

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## [Modify a JuMP model via modifying expressions](https://discourse.julialang.org/t/modify-a-jump-model-via-modifying-expressions/129594)

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**Author:** [@WalterMadelim](https://discourse.julialang.org/u/WalterMadelim)\
**Replies:** 2\
**Last updated:** [June 3, 2025, 11:00pm UTC](https://discourse.julialang.org/t/modify-a-jump-model-via-modifying-expressions/129594 "2025-06-03T23:00:04Z")

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Currently the doc of JuMP teaches people how to modify constraints and how to modify objective\_expression. In my mind, there is a more natural way: Build an initial model (that we will revise later) partly involving so…

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