# Specific Domains

**URL:** https://discourse.julialang.org/c/domain/10.md?no_subcategories=false&page=73

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**Page:** 74

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## [Makie Broken Axis on Log Scale](https://discourse.julialang.org/t/makie-broken-axis-on-log-scale/122571)

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**Author:** [@TI36XPro](https://discourse.julialang.org/u/TI36XPro)\
**Replies:** 3\
**Last updated:** [November 13, 2024, 3:27pm UTC](https://discourse.julialang.org/t/makie-broken-axis-on-log-scale/122571 "2024-11-13T15:27:11Z")

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Hello! I have some data I’d like to plot with a broken axis. Basically there is one data point at the beginning that is way different than the rest. I found this post about implementing a broken axis. I tried to adapt …

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## [Parallel launch of CUDA kernels](https://discourse.julialang.org/t/parallel-launch-of-cuda-kernels/122529)

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**Author:** [@hexaeder](https://discourse.julialang.org/u/hexaeder)\
**Replies:** 5\
**Last updated:** [November 13, 2024, 1:14pm UTC](https://discourse.julialang.org/t/parallel-launch-of-cuda-kernels/122529 "2024-11-13T13:14:28Z")

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I have a system with some kernels which are repeatatly called in a loop. My kernels operate on the same input data but in know at launchtime which kernels are safe to spawn asynchronously and which aren’t. A MWE would lo…

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## [Using JuMP to model a slider-crank mechanism](https://discourse.julialang.org/t/using-jump-to-model-a-slider-crank-mechanism/122560)

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**Author:** [@mrufsvold](https://discourse.julialang.org/u/mrufsvold)\
**Replies:** 3\
**Last updated:** [November 12, 2024, 9:58pm UTC](https://discourse.julialang.org/t/using-jump-to-model-a-slider-crank-mechanism/122560 "2024-11-12T21:58:22Z")

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Hi! I was actually able to get this working wtih help from @araujoms on slack, but documenting here for future Googlers. I am trying to model a slider-crank mechanism like this: I want to minimize the height of the …

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## [EXCEPTION\_ACCESS\_VIOLATION when executing ECOS in multi-threading](https://discourse.julialang.org/t/exception-access-violation-when-executing-ecos-in-multi-threading/122459)

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**Author:** [@CaG21](https://discourse.julialang.org/u/CaG21)\
**Replies:** 6\
**Last updated:** [November 12, 2024, 9:10pm UTC](https://discourse.julialang.org/t/exception-access-violation-when-executing-ecos-in-multi-threading/122459 "2024-11-12T21:10:13Z")

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I am conducting a Monte Carlo analysis on a convex optimization problem using the ECOS solver, accessed through the thin wrapper provided by ECOS.jl. When I run the Monte Carlo simulations sequentially, everything functi…

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## [How do I make a Makie animation appear in a VSCode plotting window?](https://discourse.julialang.org/t/how-do-i-make-a-makie-animation-appear-in-a-vscode-plotting-window/91150)

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**Author:** [@Torkel](https://discourse.julialang.org/u/Torkel)\
**Replies:** 7\
**Last updated:** [November 12, 2024, 4:41pm UTC](https://discourse.julialang.org/t/how-do-i-make-a-makie-animation-appear-in-a-vscode-plotting-window/91150 "2024-11-12T16:41:06Z")

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I have some code (copied from the Makie website) to make an animation: using GLMakie time = Observable(0.0) xs = range(0, 7, length=40) ys\_1 = @lift(sin.(xs .- $time)) ys\_2 = @lift(cos.(xs .- $time) .+ 3) fig = lines…

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## [Continuation of periodic orbits for full pendulum revolution in BifurcationKit.jl](https://discourse.julialang.org/t/continuation-of-periodic-orbits-for-full-pendulum-revolution-in-bifurcationkit-jl/122550)

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**Author:** [@gplaar](https://discourse.julialang.org/u/gplaar)\
**Replies:** 3\
**Last updated:** [November 12, 2024, 3:58pm UTC](https://discourse.julialang.org/t/continuation-of-periodic-orbits-for-full-pendulum-revolution-in-bifurcationkit-jl/122550 "2024-11-12T15:58:39Z")

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Hello everyone! I am new to bifurcation analysis and I am trying to work with BifurcationKit.jl for my Master’s project. The system I’m working on consists of a freely moving excentric mass coupled to a 2-dof aeroelast…

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## [Flux conv with GPU Arrays](https://discourse.julialang.org/t/flux-conv-with-gpu-arrays/122513)

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**Author:** [@trasor](https://discourse.julialang.org/u/trasor)\
**Replies:** 5\
**Last updated:** [November 12, 2024, 3:35pm UTC](https://discourse.julialang.org/t/flux-conv-with-gpu-arrays/122513 "2024-11-12T15:35:00Z")

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Hello everyone, i managed to build a UNet with Flux. On the cpu, everything works. But when i transfer the model on the gpu (using Metal.jl), the convoltional layers throw me an error. using Flux using Meta…

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## [PDE Parameter Estimation](https://discourse.julialang.org/t/pde-parameter-estimation/120724)

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**Author:** [@cartiery](https://discourse.julialang.org/u/cartiery)\
**Replies:** 5\
**Last updated:** [November 12, 2024, 2:37pm UTC](https://discourse.julialang.org/t/pde-parameter-estimation/120724 "2024-11-12T14:37:15Z")

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Hello, I’m new a DifferentialEquations/ModelingToolkit user that would like to perform parameter estimation of source terms in advection-dispersion equation. I’ve defined the PDE using ModelingToolkit, based on this pos…

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## [Compile FastDifferentiation derivatives one time only](https://discourse.julialang.org/t/compile-fastdifferentiation-derivatives-one-time-only/121816)

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**Author:** [@KeitaNakamura](https://discourse.julialang.org/u/KeitaNakamura)\
**Replies:** 27\
**Last updated:** [November 12, 2024, 6:09am UTC](https://discourse.julialang.org/t/compile-fastdifferentiation-derivatives-one-time-only/121816 "2024-11-12T06:09:09Z")

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Hi @brianguenter, I’m currently using FastDifferentiation.jl, and I must say, the package is fantastic—it’s incredibly fast. Thank you very much for sharing this! I have a question regarding the differentiation processe…

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## [How to get the a and b coefficients out of the DSP digital filter function?](https://discourse.julialang.org/t/how-to-get-the-a-and-b-coefficients-out-of-the-dsp-digital-filter-function/122516)

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**Author:** [@Nine\_Cycles](https://discourse.julialang.org/u/Nine_Cycles)\
**Replies:** 2\
**Last updated:** [November 11, 2024, 10:15pm UTC](https://discourse.julialang.org/t/how-to-get-the-a-and-b-coefficients-out-of-the-dsp-digital-filter-function/122516 "2024-11-11T22:15:47Z")

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Hello, i want to get the a and b coefficients of a digital Butterworth filter in Julia. I have to iteratively compute the results for live-sound purpose, so I cannot use a filter() function. Here is where my code is at …

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## [Change colorbar position and decimal points in the legend (Plots.jl with gr)](https://discourse.julialang.org/t/change-colorbar-position-and-decimal-points-in-the-legend-plots-jl-with-gr/122471)

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**Author:** [@PeX](https://discourse.julialang.org/u/PeX)\
**Replies:** 1\
**Last updated:** [November 11, 2024, 9:23pm UTC](https://discourse.julialang.org/t/change-colorbar-position-and-decimal-points-in-the-legend-plots-jl-with-gr/122471 "2024-11-11T21:23:16Z")

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Hi all, I’m trying to create a heatmap using Plots.jl with the following: heatmap( p1\_range, p2\_range, log\_sse\_grid', c=:viridis, xlabel=xlabel, ylabel=ylabel, …

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## [NeuralPDE.jl slow with integro diff. equations](https://discourse.julialang.org/t/neuralpde-jl-slow-with-integro-diff-equations/122511)

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**Author:** [@nico](https://discourse.julialang.org/u/nico)\
**Replies:** 3\
**Last updated:** [November 11, 2024, 8:42pm UTC](https://discourse.julialang.org/t/neuralpde-jl-slow-with-integro-diff-equations/122511 "2024-11-11T20:42:40Z")

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Is there a reason why with integro-differential equations NeuralPDE.jl becomes very slow? Is there a better way to deal with integrals than with, e.g., Ii = Symbolics.Integral(t in DomainSets.ClosedInterval(0, t)) ?

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## [Create DataFrame from data in DataFrameRow](https://discourse.julialang.org/t/create-dataframe-from-data-in-dataframerow/122431)

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**Author:** [@Nathan\_Boyer](https://discourse.julialang.org/u/Nathan_Boyer)\
**Replies:** 7\
**Last updated:** [November 11, 2024, 4:44pm UTC](https://discourse.julialang.org/t/create-dataframe-from-data-in-dataframerow/122431 "2024-11-11T16:44:18Z")

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I’m stuck on this data transformation. I have a DataFrameRow that I looked up from another table. julia\> using DataFramesMeta julia\> dfrow = DataFrame( "Carbon Min. (%)" =\> 0.1, "Carbon Max. (%)" …

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## [Autodiff with Zygote: issues with setting seeds](https://discourse.julialang.org/t/autodiff-with-zygote-issues-with-setting-seeds/121957)

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**Author:** [@weltenbummler](https://discourse.julialang.org/u/weltenbummler)\
**Replies:** 9\
**Last updated:** [November 11, 2024, 9:08am UTC](https://discourse.julialang.org/t/autodiff-with-zygote-issues-with-setting-seeds/121957 "2024-11-11T09:08:34Z")

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Hello all, I would like to differentiate a function with fixed seed but obtain a “can’t differentiate foreign call” error when using Zygote. Any advise would be appreciated. The following is a minimal working example …

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## [CUDA.jl version compatible with CUDA driver 10.1](https://discourse.julialang.org/t/cuda-jl-version-compatible-with-cuda-driver-10-1/122444)

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**Author:** [@photor](https://discourse.julialang.org/u/photor)\
**Replies:** 3\
**Last updated:** [November 11, 2024, 7:48am UTC](https://discourse.julialang.org/t/cuda-jl-version-compatible-with-cuda-driver-10-1/122444 "2024-11-11T07:48:25Z")

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The CUDA driver on my new computer is restricted to version 10.1 due to some reason, which is incompatible with the newest CUDA.jl (requiring CUDA driver version \>= 10.2). Is an older version of CUDA.jl compatible? If so…

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## [(RL) Introducing the Julia community to PufferLib](https://discourse.julialang.org/t/rl-introducing-the-julia-community-to-pufferlib/122481)

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**Author:** [@Tarny\_GG\_Channie](https://discourse.julialang.org/u/Tarny_GG_Channie)\
**Replies:** 0\
**Last updated:** [November 11, 2024, 3:26am UTC](https://discourse.julialang.org/t/rl-introducing-the-julia-community-to-pufferlib/122481 "2024-11-11T03:26:29Z")

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This is not Julia-specific, but I’d like to post this anyway since I think Julia could be really good for it. Julia is a fast and easy language, which could be quite suitable for a reinforcement learning environment. P…

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## [MPIPreferences no longer allows system?](https://discourse.julialang.org/t/mpipreferences-no-longer-allows-system/122475)

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**Author:** [@PetrKryslUCSD](https://discourse.julialang.org/u/PetrKryslUCSD)\
**Replies:** 1\
**Last updated:** [November 10, 2024, 11:12pm UTC](https://discourse.julialang.org/t/mpipreferences-no-longer-allows-system/122475 "2024-11-10T23:12:54Z")

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Sorry: Never mind, it is supposed to be just use\_system\_binary

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## [Ipopt produces wrong results in Windows](https://discourse.julialang.org/t/ipopt-produces-wrong-results-in-windows/122414)

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**Author:** [@jbytecode](https://discourse.julialang.org/u/jbytecode)\
**Replies:** 7\
**Last updated:** [November 10, 2024, 6:49pm UTC](https://discourse.julialang.org/t/ipopt-produces-wrong-results-in-windows/122414 "2024-11-10T18:49:37Z")

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Suppose the function optimizes a model for a given set of integer vectors function bestworst(pref\_to\_best::Vector{Int}, pref\_to\_worst::Vector{Int}) n = length(pref\_to\_best) best\_index = argmin(pref\_to\_best) …

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## [Unstable quadratic spline from DataInterpolations.jl](https://discourse.julialang.org/t/unstable-quadratic-spline-from-datainterpolations-jl/122435)

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**Author:** [@marcobonici](https://discourse.julialang.org/u/marcobonici)\
**Replies:** 5\
**Last updated:** [November 9, 2024, 4:43pm UTC](https://discourse.julialang.org/t/unstable-quadratic-spline-from-datainterpolations-jl/122435 "2024-11-09T16:43:45Z")

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I have a problem when using the quadratic spline from DataInterpolations.jl. I have some data (blue curve) I want to interpolate on a finer grid. I tried to use a quadratic (orange) and a cubic (green) spline. DataInte…

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## [How to Determine GridPosition of an Axis in a Complex Figure Layout?](https://discourse.julialang.org/t/how-to-determine-gridposition-of-an-axis-in-a-complex-figure-layout/122448)

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**Author:** [@LorenzoFioroni](https://discourse.julialang.org/u/LorenzoFioroni)\
**Replies:** 3\
**Last updated:** [November 9, 2024, 2:42pm UTC](https://discourse.julialang.org/t/how-to-determine-gridposition-of-an-axis-in-a-complex-figure-layout/122448 "2024-11-09T14:42:42Z")

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Hello everyone, I am writing a function using Makie.jl for some custom plotting. The function takes a Figure and an Axis object as arguments. Although I can safely assume that the axis is somewhere within the figure, i…

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## [Machine learning in Julia decouples the Tensor and the autograd library, what was the practical benefit?](https://discourse.julialang.org/t/machine-learning-in-julia-decouples-the-tensor-and-the-autograd-library-what-was-the-practical-benefit/122447)

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**Author:** [@Tarny\_GG\_Channie](https://discourse.julialang.org/u/Tarny_GG_Channie)\
**Replies:** 4\
**Last updated:** [November 9, 2024, 11:56am UTC](https://discourse.julialang.org/t/machine-learning-in-julia-decouples-the-tensor-and-the-autograd-library-what-was-the-practical-benefit/122447 "2024-11-09T11:56:57Z")

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A typical machine learning framework is like this: First, you have a Tensor library that expresses computing and does matrix multiplication, among other things, and then you add automatic differentiation to the system an…

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## [Dimension mismatch in Flux.jl RNN example](https://discourse.julialang.org/t/dimension-mismatch-in-flux-jl-rnn-example/122410)

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**Author:** [@arinbasu1](https://discourse.julialang.org/u/arinbasu1)\
**Replies:** 2\
**Last updated:** [November 8, 2024, 6:40pm UTC](https://discourse.julialang.org/t/dimension-mismatch-in-flux-jl-rnn-example/122410 "2024-11-08T18:40:34Z")

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I was trying to run an RNN model in Flux and came up with an error in the RNN model. This error also occurred in the RNN example from Flux’s documentation site: Here is the code: using Flux output\_size = 5 input\_size …

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## [TuringGLM random effect variable format requirement](https://discourse.julialang.org/t/turingglm-random-effect-variable-format-requirement/122424)

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**Author:** [@Cong](https://discourse.julialang.org/u/Cong)\
**Replies:** 0\
**Last updated:** [November 8, 2024, 4:20pm UTC](https://discourse.julialang.org/t/turingglm-random-effect-variable-format-requirement/122424 "2024-11-08T16:20:08Z")

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I’m using TuringGLM to fit a hierarchical logistic model on my choice data, but kept getting this type FunctionTerm has no field args error which I think complains about the variable type of my random effect variable sub…

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## [gRPC API (community request)](https://discourse.julialang.org/t/grpc-api-community-request/51029)

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**Author:** [@mks](https://discourse.julialang.org/u/mks)\
**Replies:** 13\
**Last updated:** [November 8, 2024, 2:11pm UTC](https://discourse.julialang.org/t/grpc-api-community-request/51029 "2024-11-08T14:11:18Z")

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Hello, for a Julia pkg I work on, there is the requirement of a gRPC library. I found the grpc.jl and although the creator has a great reputation, it seems that his time to work on this project is limited, which leads t…

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## [Animations with multiple procs/threads](https://discourse.julialang.org/t/animations-with-multiple-procs-threads/122418)

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**Author:** [@JWRSTZ](https://discourse.julialang.org/u/JWRSTZ)\
**Replies:** 0\
**Last updated:** [November 8, 2024, 1:18pm UTC](https://discourse.julialang.org/t/animations-with-multiple-procs-threads/122418 "2024-11-08T13:18:35Z")

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Hello everyone, I am currently using Julia Plots in order to make some animations of my plots, I’m using the @animate macro for this. Unfortunately it seems like the animation routine is not multithreadable, running the…

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## [Read Gurobi's .sol file format with JuMP](https://discourse.julialang.org/t/read-gurobis-sol-file-format-with-jump/122387)

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**Author:** [@Jean\_F](https://discourse.julialang.org/u/Jean_F)\
**Replies:** 5\
**Last updated:** [November 8, 2024, 12:23pm UTC](https://discourse.julialang.org/t/read-gurobis-sol-file-format-with-jump/122387 "2024-11-08T12:23:58Z")

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Is there a way to read with JuMP , a .sol file with as ones produced by Gurobi?

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## [Plots.jl: Plotting a graph such that it has multiple possible values corresponding to a single x value](https://discourse.julialang.org/t/plots-jl-plotting-a-graph-such-that-it-has-multiple-possible-values-corresponding-to-a-single-x-value/122408)

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**Author:** [@GiovanniPaiela](https://discourse.julialang.org/u/GiovanniPaiela)\
**Replies:** 1\
**Last updated:** [November 8, 2024, 9:21am UTC](https://discourse.julialang.org/t/plots-jl-plotting-a-graph-such-that-it-has-multiple-possible-values-corresponding-to-a-single-x-value/122408 "2024-11-08T09:21:58Z")

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Say that I have an x and y dimensions. The value of y however, can have 2 possible values for a single x. How would one go about plotting such thing? So far I have tried defining y as an array of 2-element tuples and pl…

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## [Number of plots in makie Axis object](https://discourse.julialang.org/t/number-of-plots-in-makie-axis-object/122337)

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**Author:** [@aris](https://discourse.julialang.org/u/aris)\
**Replies:** 3\
**Last updated:** [November 8, 2024, 5:47am UTC](https://discourse.julialang.org/t/number-of-plots-in-makie-axis-object/122337 "2024-11-08T05:47:29Z")

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Using makie, if we type the name of an Axis object in the repl, we get something like: Axis with 2 plots: ┣━ Scatter{Tuple{Vector{Point{2, Float64}}}} ┗━ Lines{Tuple{Vector{Point{2, Float64}}}} Is there a way to get …

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## [GSA with the Sobol method for steady-state solution error](https://discourse.julialang.org/t/gsa-with-the-sobol-method-for-steady-state-solution-error/122264)

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**Author:** [@Nick1](https://discourse.julialang.org/u/Nick1)\
**Replies:** 4\
**Last updated:** [November 7, 2024, 6:04pm UTC](https://discourse.julialang.org/t/gsa-with-the-sobol-method-for-steady-state-solution-error/122264 "2024-11-07T18:04:36Z")

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I perform GSA with the Sobol method for a system of ODEs for steady-state but I get the following error: ERROR: TaskFailedException nested task error: MethodError: Cannot \`convert\` an object of type Vector{Float64} to…

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## [AC Optimal Power Flow in Various Nonlinear Optimization Frameworks](https://discourse.julialang.org/t/ac-optimal-power-flow-in-various-nonlinear-optimization-frameworks/78486)

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**Author:** [@ccoffrin](https://discourse.julialang.org/u/ccoffrin)\
**Replies:** 101\
**Last updated:** [November 7, 2024, 1:12pm UTC](https://discourse.julialang.org/t/ac-optimal-power-flow-in-various-nonlinear-optimization-frameworks/78486 "2024-11-07T13:12:00Z")

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As a follow up to my NLP modeling survey post, I am please to announce the release of the Rosetta OPF project. The goal of this project is to highlight the basic technical requirements for solving the kinds of continuous…

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