# Specific Domains

**URL:** https://discourse.julialang.org/c/domain/10.md?no_subcategories=false&page=94

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**Page:** 95

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## [MiniZinc doesn't update](https://discourse.julialang.org/t/minizinc-doesnt-update/117527)

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**Author:** [@Stuart\_Rogers](https://discourse.julialang.org/u/Stuart_Rogers)\
**Replies:** 4\
**Last updated:** [July 26, 2024, 10:33pm UTC](https://discourse.julialang.org/t/minizinc-doesnt-update/117527 "2024-07-26T22:33:37Z")

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MiniZinc doesn’t update from v0.2.1 to the latest, v0.3.11. Is v0.3.11 compiled with Google OR-Tools, so that CP-SAT may be used as a solver? (@v1.10) pkg\> status Status \`~/.julia/environments/v1.10/Project.toml\` \[074…

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## [Fitting system of ODEs to already normalized data](https://discourse.julialang.org/t/fitting-system-of-odes-to-already-normalized-data/117400)

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**Author:** [@Nick1](https://discourse.julialang.org/u/Nick1)\
**Replies:** 1\
**Last updated:** [July 26, 2024, 1:34pm UTC](https://discourse.julialang.org/t/fitting-system-of-odes-to-already-normalized-data/117400 "2024-07-26T13:34:27Z")

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I have a system of ODEs as a model and want to calibrate it. I have data for multiple outputs of the model but they are already normalized. Since I am unfamiliar with the related packages in Julia, what would you recomme…

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## [Makie artefacts around coloured region of surface?](https://discourse.julialang.org/t/makie-artefacts-around-coloured-region-of-surface/117471)

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**Author:** [@p\_f](https://discourse.julialang.org/u/p_f)\
**Replies:** 6\
**Last updated:** [July 26, 2024, 12:29pm UTC](https://discourse.julialang.org/t/makie-artefacts-around-coloured-region-of-surface/117471 "2024-07-26T12:29:18Z")

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I’m colouring certain regions of a surface, and at the transition between two colours there is a colour not present in the colour matrix given to the color attribute of the surface I’m not exactly sure why this is happe…

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## [\[Makie.jl\] 3D voxelized visualization of a cubical matrix](https://discourse.julialang.org/t/makie-jl-3d-voxelized-visualization-of-a-cubical-matrix/77360)

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**Author:** [@KirillGerke](https://discourse.julialang.org/u/KirillGerke)\
**Replies:** 25\
**Last updated:** [July 25, 2024, 9:39pm UTC](https://discourse.julialang.org/t/makie-jl-3d-voxelized-visualization-of-a-cubical-matrix/77360 "2024-07-25T21:39:24Z")

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Dear All, Here is another chapter of the struggle to make cool figures with Makie. My aim is to generate numerous visualizations of the 3D images that are represented by voxels. While i used the hints from the examples…

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## [Trouble trying to serialize JuMP Models to .mps, .lp, .rew formats](https://discourse.julialang.org/t/trouble-trying-to-serialize-jump-models-to-mps-lp-rew-formats/117425)

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**Author:** [@gangway](https://discourse.julialang.org/u/gangway)\
**Replies:** 3\
**Last updated:** [July 25, 2024, 8:21pm UTC](https://discourse.julialang.org/t/trouble-trying-to-serialize-jump-models-to-mps-lp-rew-formats/117425 "2024-07-25T20:21:17Z")

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I am trying to serialize JuMP Models to .mps, .lp, .rew formats via write\_to\_file method. But I am facing the same error with all three conversion while the .nl conversion is successful: MathOptInterface.UnsupportedCon…

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## [Dynamic parallelism slow in CUDA.jl](https://discourse.julialang.org/t/dynamic-parallelism-slow-in-cuda-jl/117463)

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**Author:** [@z-wang](https://discourse.julialang.org/u/z-wang)\
**Replies:** 1\
**Last updated:** [July 25, 2024, 6:09pm UTC](https://discourse.julialang.org/t/dynamic-parallelism-slow-in-cuda-jl/117463 "2024-07-25T18:09:50Z")

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Hi, i’m learning dynamic parallelism in CUDA.jl . Here i have a code which executes a parent kernel concurrently 1000 times, and each parent kernel queues the child kernel N times. My problem is that this code is pretty …

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## [\[GLMakie\] Overlay plots in animated 3D scene?](https://discourse.julialang.org/t/glmakie-overlay-plots-in-animated-3d-scene/116750)

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**Author:** [@tamasgal](https://discourse.julialang.org/u/tamasgal)\
**Replies:** 8\
**Last updated:** [July 25, 2024, 10:08am UTC](https://discourse.julialang.org/t/glmakie-overlay-plots-in-animated-3d-scene/116750 "2024-07-25T10:08:52Z")

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I am now back at an old problem which I abandoned due to lack of time: displaying overlay plots (2D) in an animated 3D scene :wink: I started a GH discussion back then and I got it almost working with the help of Simon …

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## [Formulation of Equations for Complementarity.jl](https://discourse.julialang.org/t/formulation-of-equations-for-complementarity-jl/117403)

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**Author:** [@Alio0712](https://discourse.julialang.org/u/Alio0712)\
**Replies:** 9\
**Last updated:** [July 25, 2024, 12:52am UTC](https://discourse.julialang.org/t/formulation-of-equations-for-complementarity-jl/117403 "2024-07-25T00:52:02Z")

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Dear community. I’m new to Julia and trying to code a Computable General Equilibrium Model. I have a question about Complementarity that I still can’t fully understand from going through various sources on the web. I kn…

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## [How to test a Solver functionality availability](https://discourse.julialang.org/t/how-to-test-a-solver-functionality-availability/117266)

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**Author:** [@K5Julien](https://discourse.julialang.org/u/K5Julien)\
**Replies:** 2\
**Last updated:** [July 24, 2024, 9:41pm UTC](https://discourse.julialang.org/t/how-to-test-a-solver-functionality-availability/117266 "2024-07-24T21:41:46Z")

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In JuMP, depending on the solver, there are some functionalities that are available, and some which are not, see for instance here. How should I test that before creating a Model(optimizer) ? As an example: if optimiz…

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## [Test if an optimizer supports an attribute?](https://discourse.julialang.org/t/test-if-an-optimizer-supports-an-attribute/117444)

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**Author:** [@K5Julien](https://discourse.julialang.org/u/K5Julien)\
**Replies:** 3\
**Last updated:** [July 24, 2024, 9:38pm UTC](https://discourse.julialang.org/t/test-if-an-optimizer-supports-an-attribute/117444 "2024-07-24T21:38:28Z")

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I am trying to test if an optimizer supports the attribute MOI.NumberOfThreads(): m = Model(optimizer) if MOI.supports(MOI.Utilities.CachingOptimizer(MOI.Utilities.Model{Float64}(), MOI.Utilities.AUTOMATIC), MOI…

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## [Common label for multiple legend entries using Plots.jl](https://discourse.julialang.org/t/common-label-for-multiple-legend-entries-using-plots-jl/117412)

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**Author:** [@ultrapoci](https://discourse.julialang.org/u/ultrapoci)\
**Replies:** 3\
**Last updated:** [July 24, 2024, 7:27pm UTC](https://discourse.julialang.org/t/common-label-for-multiple-legend-entries-using-plots-jl/117412 "2024-07-24T19:27:19Z")

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I have produced the following plot using Plots.jl, GR backend: Is it possible to have one label for each two lines in the legend? What I mean is, I would like to have a single label “60%-30%” for the red line and the…

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## [Automatic Compiler Optimizations and Multithreading](https://discourse.julialang.org/t/automatic-compiler-optimizations-and-multithreading/117321)

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**Author:** [@NonDairyNeutrino](https://discourse.julialang.org/u/NonDairyNeutrino)\
**Replies:** 11\
**Last updated:** [July 24, 2024, 1:29pm UTC](https://discourse.julialang.org/t/automatic-compiler-optimizations-and-multithreading/117321 "2024-07-24T13:29:24Z")

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I learned in my HPC class that for languages such as C/C++ and Fortran, invoking automatic compiler optimizations using the (gcc) -On flag could lead to unintended behaviors when compiling multithreaded programs; somethi…

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## [MTK: looping through variables in plot?](https://discourse.julialang.org/t/mtk-looping-through-variables-in-plot/117339)

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**Author:** [@BLI](https://discourse.julialang.org/u/BLI)\
**Replies:** 6\
**Last updated:** [July 24, 2024, 11:03am UTC](https://discourse.julialang.org/t/mtk-looping-through-variables-in-plot/117339 "2024-07-24T11:03:26Z")

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I’m struggling to figure out how to loop through numbered variables in ModelingToolkit \[MTK\]. As a simple, yet concrete example, consider a model of a telegraph line, which consists in a telegraph line module component …

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## [Arrow between subplots](https://discourse.julialang.org/t/arrow-between-subplots/117344)

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**Author:** [@Sergey\_Novak](https://discourse.julialang.org/u/Sergey_Novak)\
**Replies:** 2\
**Last updated:** [July 24, 2024, 10:56am UTC](https://discourse.julialang.org/t/arrow-between-subplots/117344 "2024-07-24T10:56:27Z")

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Hello, I need to add arrows between the Axis. As an example of my image, which I drawed using GIMP Please help me add them to make it look like in the image above My code and image: using JLD2, CairoMakie, MAT, GLM…

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## [Compose SDESystems in ModelingToolkit](https://discourse.julialang.org/t/compose-sdesystems-in-modelingtoolkit/117054)

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**Author:** [@VincentW](https://discourse.julialang.org/u/VincentW)\
**Replies:** 2\
**Last updated:** [July 24, 2024, 8:54am UTC](https://discourse.julialang.org/t/compose-sdesystems-in-modelingtoolkit/117054 "2024-07-24T08:54:10Z")

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Hey folks, I am trying to build a compartmental model, where some parameters are supposed to follow a SDE. But somehow can’t get the composition right. I build the following example to illustrate the problem. First usi…

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## [StructuredMesh parabolic equations supported Trixi](https://discourse.julialang.org/t/structuredmesh-parabolic-equations-supported-trixi/117231)

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**Author:** [@Kelian\_Renoux](https://discourse.julialang.org/u/Kelian_Renoux)\
**Replies:** 8\
**Last updated:** [July 24, 2024, 7:02am UTC](https://discourse.julialang.org/t/structuredmesh-parabolic-equations-supported-trixi/117231 "2024-07-24T07:02:40Z")

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Hi, i was using Trixi.jl for the Brown and Minion test case and i was trying to use the StructuredMesh function to refine the mesh cells by cells (20x20 to 25x25 and so on) but it seems that the create\_cache\_parabolic fu…

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## [Graph label propagation with existing labels](https://discourse.julialang.org/t/graph-label-propagation-with-existing-labels/117395)

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**Author:** [@Ken\_Williams](https://discourse.julialang.org/u/Ken_Williams)\
**Replies:** 1\
**Last updated:** [July 24, 2024, 6:36am UTC](https://discourse.julialang.org/t/graph-label-propagation-with-existing-labels/117395 "2024-07-24T06:36:33Z")

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I have a MetaGraph(SimpleGraph(), String, Union{Missing,String}) (see Home · MetaGraphsNext.jl) object where some nodes have a string label and some nodes have the label missing. I would like to propagate existing label…

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## [CUDA: CUDA driver not found](https://discourse.julialang.org/t/cuda-cuda-driver-not-found/117186)

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**Author:** [@engram](https://discourse.julialang.org/u/engram)\
**Replies:** 24\
**Last updated:** [July 24, 2024, 5:08am UTC](https://discourse.julialang.org/t/cuda-cuda-driver-not-found/117186 "2024-07-24T05:08:21Z")

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A few days ago the IT-department of my company added a virtual GPU to my virtual machine which I would like to use in Julia. I use julia 1.10.3 (which I can load as a module through (module load julia/1.10.3) and have a…

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## [\[Solved\] Problem installing the Gurobi package on a cluster](https://discourse.julialang.org/t/solved-problem-installing-the-gurobi-package-on-a-cluster/117385)

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**Author:** [@Alex\_73](https://discourse.julialang.org/u/Alex_73)\
**Replies:** 3\
**Last updated:** [July 24, 2024, 12:51am UTC](https://discourse.julialang.org/t/solved-problem-installing-the-gurobi-package-on-a-cluster/117385 "2024-07-24T00:51:12Z")

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Hello. I’m doing a postgraduate degree and I have access to a cluster that has julia/1.7.3, gurobi/10.0.0 and gurobi/11.0.1. Until now it was running gurobi/10.0.0 perfectly. However, in order to use the most recent ve…

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## [Generating finite-difference stencils](https://discourse.julialang.org/t/generating-finite-difference-stencils/85876)

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**Author:** [@dorn-gerhard](https://discourse.julialang.org/u/dorn-gerhard)\
**Replies:** 19\
**Last updated:** [July 23, 2024, 10:39pm UTC](https://discourse.julialang.org/t/generating-finite-difference-stencils/85876 "2024-07-23T22:39:44Z")

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Regarding the second suggested approach in the topic title: discrete derivatives (without interpolating data) Is there a Julia package that performs discrete derivatives (e.g. using some higher order stencils) also for …

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## [Causal modeling in MTK?](https://discourse.julialang.org/t/causal-modeling-in-mtk/117161)

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**Author:** [@sdwfrost](https://discourse.julialang.org/u/sdwfrost)\
**Replies:** 10\
**Last updated:** [July 23, 2024, 9:33pm UTC](https://discourse.julialang.org/t/causal-modeling-in-mtk/117161 "2024-07-23T21:33:09Z")

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After seeing @ChrisRackauckas slides from JuliaCon 2024, I found out that (it seems) ModelingToolkit supports causal models, through passing input and outputs around. Is this really possible? I ask because Causal.jl stru…

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## [Bode plotting a damped LC filter](https://discourse.julialang.org/t/bode-plotting-a-damped-lc-filter/117324)

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**Author:** [@minetest2048](https://discourse.julialang.org/u/minetest2048)\
**Replies:** 5\
**Last updated:** [July 23, 2024, 7:50am UTC](https://discourse.julialang.org/t/bode-plotting-a-damped-lc-filter/117324 "2024-07-23T07:50:56Z")

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I want to make a bode plot of this LC filter: plotting something like the right graph: I know how to connect resistor, inductor and capacitor using ModelingToolkitStandardLibrary.jl , and how to plot bode plots us…

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## [Jacobian of a network in the loss function with Flux](https://discourse.julialang.org/t/jacobian-of-a-network-in-the-loss-function-with-flux/117077)

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**Author:** [@Baptiste\_Fabre](https://discourse.julialang.org/u/Baptiste_Fabre)\
**Replies:** 6\
**Last updated:** [July 23, 2024, 1:14am UTC](https://discourse.julialang.org/t/jacobian-of-a-network-in-the-loss-function-with-flux/117077 "2024-07-23T01:14:59Z")

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Dear all, for a sciml problem in quantum mechanics (strongly inspired by what I saw during the @ChrisRackauckas talk’s in Grenoble), I need to differentiate the loss function. Here is a minimal example of the kind of pr…

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## [Exponential of simple block triangular matrix](https://discourse.julialang.org/t/exponential-of-simple-block-triangular-matrix/117365)

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**Author:** [@goerz](https://discourse.julialang.org/u/goerz)\
**Replies:** 1\
**Last updated:** [July 23, 2024, 12:33am UTC](https://discourse.julialang.org/t/exponential-of-simple-block-triangular-matrix/117365 "2024-07-23T00:33:07Z")

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I have a custom struct that represents a block-matrix of the form X = \[ A B 0 A \] Where A and B are arbitrary (probably non-pathological) square matrices. A and B are small in the context I’m currently looking…

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## [Exporting 3D Makie Plots to .stl files?](https://discourse.julialang.org/t/exporting-3d-makie-plots-to-stl-files/99308)

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**Author:** [@mthelm85](https://discourse.julialang.org/u/mthelm85)\
**Replies:** 7\
**Last updated:** [July 22, 2024, 11:09pm UTC](https://discourse.julialang.org/t/exporting-3d-makie-plots-to-stl-files/99308 "2024-07-22T23:09:52Z")

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I did a quick search of the Makie docs and here on discourse and I didn’t see any hits discussing this. Is it possible to export 3D plots to .stl files for 3D printing?

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## [Reverse mode AD for SDEs](https://discourse.julialang.org/t/reverse-mode-ad-for-sdes/117353)

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**Author:** [@agelgazzar](https://discourse.julialang.org/u/agelgazzar)\
**Replies:** 0\
**Last updated:** [July 22, 2024, 5:09pm UTC](https://discourse.julialang.org/t/reverse-mode-ad-for-sdes/117353 "2024-07-22T17:09:44Z")

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Training Large (e.g, Neural) SDEs on GPUs fails. The only way to obtain adjoints is via TrackerAdjoint() and this only currently works on CPU. None of the continuous adjoints methods, e.g. InterpolatingAdjoint() or Back…

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## [ModelingToolKit: Cannot \`convert\` an object of type SymbolicUtils.BasicSymbolic{Float64}](https://discourse.julialang.org/t/modelingtoolkit-cannot-convert-an-object-of-type-symbolicutils-basicsymbolic-float64/117213)

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**Author:** [@cstjean](https://discourse.julialang.org/u/cstjean)\
**Replies:** 4\
**Last updated:** [July 22, 2024, 1:50pm UTC](https://discourse.julialang.org/t/modelingtoolkit-cannot-convert-an-object-of-type-symbolicutils-basicsymbolic-float64/117213 "2024-07-22T13:50:23Z")

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using ModelingToolkit using ModelingToolkit: t\_nounits as t, D\_nounits as D using DifferentialEquations: solve f(t) = t @register\_symbolic f(t) @mtkmodel FOL begin @variables begin y(t) z(t) end…

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## [Nice fonts with Plots, GR and LaTeXStrings](https://discourse.julialang.org/t/nice-fonts-with-plots-gr-and-latexstrings/60037)

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**Author:** [@lmiq](https://discourse.julialang.org/u/lmiq)\
**Replies:** 19\
**Last updated:** [July 22, 2024, 1:43pm UTC](https://discourse.julialang.org/t/nice-fonts-with-plots-gr-and-latexstrings/60037 "2024-07-22T13:43:49Z")

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This not a question, just something that might be helpful to others. With Plots 1.12 and GR0.57.4 (at least), and using these options below, one can get a plot with homogeneous fonts (“Computer Modern”) in every element. …

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## [CSV.jl bug reading .gz file in Julia 1.11-rc](https://discourse.julialang.org/t/csv-jl-bug-reading-gz-file-in-julia-1-11-rc/117341)

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**Author:** [@oscarvdvelde](https://discourse.julialang.org/u/oscarvdvelde)\
**Replies:** 0\
**Last updated:** [July 22, 2024, 1:04pm UTC](https://discourse.julialang.org/t/csv-jl-bug-reading-gz-file-in-julia-1-11-rc/117341 "2024-07-22T13:04:21Z")

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Hello, I tried version 1.11.0-rc and noted a file access error reading a gzipped file with CSV.File, which does not happen in 1.10.4. julia\> data = CSV.File(raw"C:\\Users\\oscar\\Documents\\Work\\Julia\\test3.dat.gz") ERROR:…

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## [Different objective state functions for different stages SDDP.jl](https://discourse.julialang.org/t/different-objective-state-functions-for-different-stages-sddp-jl/116812)

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**Author:** [@tumpelopumpelo](https://discourse.julialang.org/u/tumpelopumpelo)\
**Replies:** 3\
**Last updated:** [July 22, 2024, 7:31am UTC](https://discourse.julialang.org/t/different-objective-state-functions-for-different-stages-sddp-jl/116812 "2024-07-22T07:31:17Z")

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Hi, I am quite new to optimization with SDDP so may be a silly question. I am working on optimising a bidding strategy for a wind power producer in consecutive markets (day ahead, Intraday, ancillary) using SDDP, with u…

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