# Specific Domains

**URL:** https://discourse.julialang.org/c/domain/10.md?no_subcategories=false&page=86

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**Page:** 87

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## [Curved arrow using Makie.jl](https://discourse.julialang.org/t/curved-arrow-using-makie-jl/117013)

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**Author:** [@albertomercurio](https://discourse.julialang.org/u/albertomercurio)\
**Replies:** 15\
**Last updated:** [September 6, 2024, 5:52pm UTC](https://discourse.julialang.org/t/curved-arrow-using-makie-jl/117013 "2024-09-06T17:52:32Z")

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Hello, I would like to draw a curved arrow inside an axis using Makie.jl More precisely, I have a starting point x0, a final point x1, and I want to draw and arrow which is not straight, but curved in some way. How ca…

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## [Whats going on in kissABC.jl package smc() function](https://discourse.julialang.org/t/whats-going-on-in-kissabc-jl-package-smc-function/119113)

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**Author:** [@Sahil\_Khan](https://discourse.julialang.org/u/Sahil_Khan)\
**Replies:** 5\
**Last updated:** [September 6, 2024, 11:57am UTC](https://discourse.julialang.org/t/whats-going-on-in-kissabc-jl-package-smc-function/119113 "2024-09-06T11:57:20Z")

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Hello everyone… Im working with KissABC.jl package smc() function. Based on my reading through source code for same, it doesn’t look like classic smc() algorithm but kind of hybrid algorithm. As there is not much refer…

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## [How to warp large arrays (Tiff stacks) efficiently?](https://discourse.julialang.org/t/how-to-warp-large-arrays-tiff-stacks-efficiently/119107)

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**Author:** [@gltchr](https://discourse.julialang.org/u/gltchr)\
**Replies:** 3\
**Last updated:** [September 6, 2024, 11:24am UTC](https://discourse.julialang.org/t/how-to-warp-large-arrays-tiff-stacks-efficiently/119107 "2024-09-06T11:24:22Z")

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Hello, In order to avoid the XY-problem I will try to provide a context and a desired result first, and only later some particular questions. Context: I don’t have much experience in Julia and (partially in order to f…

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## [Method Error with no method matching zero(::Type{SDDP.State{VariableRef}})](https://discourse.julialang.org/t/method-error-with-no-method-matching-zero-type-sddp-state-variableref/119082)

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**Author:** [@Millie](https://discourse.julialang.org/u/Millie)\
**Replies:** 2\
**Last updated:** [September 6, 2024, 9:27am UTC](https://discourse.julialang.org/t/method-error-with-no-method-matching-zero-type-sddp-state-variableref/119082 "2024-09-06T09:27:14Z")

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Hi! I have a question about this one error with my code. I was trying to mimic the example in SDDP.jl objective status and include some integer variables. But I got the error: LoadError: MethodError: no method matching z…

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## [Get gradient of user-defined nonlinear operator in JuMP](https://discourse.julialang.org/t/get-gradient-of-user-defined-nonlinear-operator-in-jump/118989)

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**Author:** [@ertam98](https://discourse.julialang.org/u/ertam98)\
**Replies:** 3\
**Last updated:** [September 6, 2024, 12:11am UTC](https://discourse.julialang.org/t/get-gradient-of-user-defined-nonlinear-operator-in-jump/118989 "2024-09-06T00:11:02Z")

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Hi, Is it possible to get the gradient from a user-defined nonlinear operator in JuMP? What I would like to do is pass a JuMP model around and be able to query the analytical gradient from the nonlinear operator. A MWE…

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## [Candlestick Charts with GLMakie](https://discourse.julialang.org/t/candlestick-charts-with-glmakie/119086)

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**Author:** [@AUK1939](https://discourse.julialang.org/u/AUK1939)\
**Replies:** 4\
**Last updated:** [September 5, 2024, 10:06pm UTC](https://discourse.julialang.org/t/candlestick-charts-with-glmakie/119086 "2024-09-05T22:06:57Z")

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Hi I’m thinking of moving away from PlotlyJS.jl and trying GLMakie.jl. My end goal is to create a CandleStick chart. First a static example and then have the bars update in realtime. However I’ve noticed that Makie.jl do…

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## [Refer to a Task without saving the Task object](https://discourse.julialang.org/t/refer-to-a-task-without-saving-the-task-object/119031)

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**Author:** [@BeastyBlacksmith](https://discourse.julialang.org/u/BeastyBlacksmith)\
**Replies:** 2\
**Last updated:** [September 5, 2024, 5:29pm UTC](https://discourse.julialang.org/t/refer-to-a-task-without-saving-the-task-object/119031 "2024-09-05T17:29:54Z")

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As an MWE I have a simple Dash.jl app that incremets a progress bar once you hit start and stops it when hitting a stop button. What I’d like it to do is to start running a task when hitting start and then make some pro…

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## [Can DifferentialEquations.jl solve a system of matrix DAEs expressed in a Mass-Matrix DAE Format with RecursiveArrayTools](https://discourse.julialang.org/t/can-differentialequations-jl-solve-a-system-of-matrix-daes-expressed-in-a-mass-matrix-dae-format-with-recursivearraytools/119071)

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**Author:** [@Mouhamed](https://discourse.julialang.org/u/Mouhamed)\
**Replies:** 3\
**Last updated:** [September 5, 2024, 4:16pm UTC](https://discourse.julialang.org/t/can-differentialequations-jl-solve-a-system-of-matrix-daes-expressed-in-a-mass-matrix-dae-format-with-recursivearraytools/119071 "2024-09-05T16:16:45Z")

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Hello, I have this following code : using RecursiveArrayTools using LinearAlgebra using DifferentialEquations # matrix\_3 = \[-1/0.08 0 -0.2/0.08 ; 1/0.3 -1/0.3 0; 0 50/20 -1/20\] matrix\_4 = \[-1/0.08 0 -0.2/0.08 ; 1/0.3 -1…

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## [Error while reproducing example of continuous normalizing flows documentation](https://discourse.julialang.org/t/error-while-reproducing-example-of-continuous-normalizing-flows-documentation/118957)

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**Author:** [@l8l](https://discourse.julialang.org/u/l8l)\
**Replies:** 4\
**Last updated:** [September 5, 2024, 10:32am UTC](https://discourse.julialang.org/t/error-while-reproducing-example-of-continuous-normalizing-flows-documentation/118957 "2024-09-05T10:32:39Z")

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I am executing an exact copy of the code in the documentation about continuous normalizing flow (CNF): Continuous Normalizing Flows · DiffEqFlux.jl However, I get an error in the line res1 = Optimization.solve(optprob, …

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## [Best type for passing parameters to an ODE](https://discourse.julialang.org/t/best-type-for-passing-parameters-to-an-ode/118968)

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**Author:** [@julien-arino](https://discourse.julialang.org/u/julien-arino)\
**Replies:** 3\
**Last updated:** [September 5, 2024, 7:30am UTC](https://discourse.julialang.org/t/best-type-for-passing-parameters-to-an-ode/118968 "2024-09-05T07:30:48Z")

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New to julia, apologies if this is trivial. I am struggling to work out how to pass parameters to an ODE. In short, I have two systems: one 7N dimensional (with N in the hundreds or thousands) and a 7-D one. I am not ev…

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## [Add more specialized methods to CategoricalArrays.jl?](https://discourse.julialang.org/t/add-more-specialized-methods-to-categoricalarrays-jl/119043)

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**Author:** [@croberts](https://discourse.julialang.org/u/croberts)\
**Replies:** 4\
**Last updated:** [September 5, 2024, 4:59am UTC](https://discourse.julialang.org/t/add-more-specialized-methods-to-categoricalarrays-jl/119043 "2024-09-05T04:59:26Z")

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Question to package authors of CategoricalArrays.jl Is there a reason why you haven’t added more specialized methods to your package for, e.g., Base.Broadcasted.broadcasted ? These are not passive-aggressive questions …

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## [JuMP takes long time to load the problem/model](https://discourse.julialang.org/t/jump-takes-long-time-to-load-the-problem-model/118593)

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**Author:** [@fstwn](https://discourse.julialang.org/u/fstwn)\
**Replies:** 23\
**Last updated:** [September 4, 2024, 11:07pm UTC](https://discourse.julialang.org/t/jump-takes-long-time-to-load-the-problem-model/118593 "2024-09-04T23:07:18Z")

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Hi I use JuMP and CPLEX solver to solve the optimization problem in time-space network. I write this code to the JuMP with the data. I tried to model network design model in time-space network. using JuMP, CPLEX, DataFr…

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## [CairoMakie ylabel allignment not working](https://discourse.julialang.org/t/cairomakie-ylabel-allignment-not-working/118722)

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**Author:** [@cmdenis](https://discourse.julialang.org/u/cmdenis)\
**Replies:** 2\
**Last updated:** [September 4, 2024, 5:01pm UTC](https://discourse.julialang.org/t/cairomakie-ylabel-allignment-not-working/118722 "2024-09-04T17:01:56Z")

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Hello, I’m new to Makie (used to use Plots before). I’ve been trying to align the ylabels for many subplots using the CairoMakie package. I’m able to align them, but for some reason there is some overlap with the tick m…

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## [GLMakie issue with select\_rectangle](https://discourse.julialang.org/t/glmakie-issue-with-select-rectangle/119008)

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**Author:** [@sc-dyer](https://discourse.julialang.org/u/sc-dyer)\
**Replies:** 2\
**Last updated:** [September 4, 2024, 3:52pm UTC](https://discourse.julialang.org/t/glmakie-issue-with-select-rectangle/119008 "2024-09-04T15:52:44Z")

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I was trying to run a GLMakie script that used to work but doesn’t any more. Here is a reproduction of the error I am getting: using GLMakie fig = Figure(); display(GLMakie.Screen(),fig) ax = Axis(fig\[1,1\]) lines!(ax,…

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## [Batch matrix/vector operations with CUDA.jl](https://discourse.julialang.org/t/batch-matrix-vector-operations-with-cuda-jl/117869)

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**Author:** [@TimHargreaves](https://discourse.julialang.org/u/TimHargreaves)\
**Replies:** 5\
**Last updated:** [September 4, 2024, 1:34pm UTC](https://discourse.julialang.org/t/batch-matrix-vector-operations-with-cuda-jl/117869 "2024-09-04T13:34:39Z")

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I’m trying to perform various operations such as multiplication, inversion, solving, Cholesky decomposition in batches with CUDA.jl. As far as I’m aware, there is no high-level API for doing this, as is the case with Te…

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## [Testing GPU compatability in CI](https://discourse.julialang.org/t/testing-gpu-compatability-in-ci/119021)

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**Author:** [@AntonReinhard](https://discourse.julialang.org/u/AntonReinhard)\
**Replies:** 2\
**Last updated:** [September 4, 2024, 11:10am UTC](https://discourse.julialang.org/t/testing-gpu-compatability-in-ci/119021 "2024-09-04T11:10:41Z")

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I have a package in which I want to add support for some GPU types via package extensions and weak dependencies to them. Now I want to set up tests that conditionally only run when those GPU packages are installed, th…

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## [Makie and Plots recipes](https://discourse.julialang.org/t/makie-and-plots-recipes/119023)

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**Author:** [@nilshg](https://discourse.julialang.org/u/nilshg)\
**Replies:** 4\
**Last updated:** [September 4, 2024, 10:54am UTC](https://discourse.julialang.org/t/makie-and-plots-recipes/119023 "2024-09-04T10:54:13Z")

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I’ve got an old package (TreatmentPanels.jl) to wrangle data sets into shape for specific use cases in other packages, and as part of this have defined some Plots.jl recipes to visualise the data. Over the last year or …

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## [How to produce sparse array with conditional array comprehension](https://discourse.julialang.org/t/how-to-produce-sparse-array-with-conditional-array-comprehension/118996)

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**Author:** [@juan\_hb](https://discourse.julialang.org/u/juan_hb)\
**Replies:** 6\
**Last updated:** [September 4, 2024, 7:46am UTC](https://discourse.julialang.org/t/how-to-produce-sparse-array-with-conditional-array-comprehension/118996 "2024-09-04T07:46:57Z")

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When creating variable or constraint containers in JuMP, one can use conditionals and a sparse array is produced, where the entries that do not met the conditions are left empty. For example: typeof(@variable(model, \[i …

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## [Package for simple personal financial planning](https://discourse.julialang.org/t/package-for-simple-personal-financial-planning/117208)

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**Author:** [@kylebeggs](https://discourse.julialang.org/u/kylebeggs)\
**Replies:** 4\
**Last updated:** [September 4, 2024, 4:43am UTC](https://discourse.julialang.org/t/package-for-simple-personal-financial-planning/117208 "2024-09-04T04:43:33Z")

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I’m looking for a package that has the basic functions already for rudimentary financial planning such as forecasting how much X asset will grow in Y years and how many years until I reach Z assets, etc.? I know these ar…

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## [BatchDuplicated functions in Enzyme](https://discourse.julialang.org/t/batchduplicated-functions-in-enzyme/119001)

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**Author:** [@gdalle](https://discourse.julialang.org/u/gdalle)\
**Replies:** 3\
**Last updated:** [September 3, 2024, 7:21pm UTC](https://discourse.julialang.org/t/batchduplicated-functions-in-enzyme/119001 "2024-09-03T19:21:34Z")

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I’m using Enzyme to differentiate through a closure, and BatchDuplicated on the closure itself doesn’t seem to work, unlike Duplicated. using Enzyme struct MyClosure{A} a::A end function (mc::MyClosure)(x) # c…

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## [Devito equivalent](https://discourse.julialang.org/t/devito-equivalent/118736)

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**Author:** [@abuAnat](https://discourse.julialang.org/u/abuAnat)\
**Replies:** 3\
**Last updated:** [September 3, 2024, 4:34pm UTC](https://discourse.julialang.org/t/devito-equivalent/118736 "2024-09-03T16:34:24Z")

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Hello! Is there a package or framework in Julia that is equivalent to the Devito Python package?

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## [TensorBoard for everybody](https://discourse.julialang.org/t/tensorboard-for-everybody/10978)

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**Author:** [@oxinabox](https://discourse.julialang.org/u/oxinabox)\
**Replies:** 2\
**Last updated:** [September 3, 2024, 2:53pm UTC](https://discourse.julialang.org/t/tensorboard-for-everybody/10978 "2024-09-03T14:53:10Z")

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I bundled up a quick proof of concept for having tensorboard outside tensorflow. It utterly cheats because it actually is invoking TensorFlow.jl to do this. It would be possible at some point to build something similar…

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## [NaN Values for j \> 1700 in Quantum Fisher Information Calculation using QuantumOptics](https://discourse.julialang.org/t/nan-values-for-j-1700-in-quantum-fisher-information-calculation-using-quantumoptics/118923)

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**Author:** [@Dawn](https://discourse.julialang.org/u/Dawn)\
**Replies:** 9\
**Last updated:** [September 3, 2024, 2:38pm UTC](https://discourse.julialang.org/t/nan-values-for-j-1700-in-quantum-fisher-information-calculation-using-quantumoptics/118923 "2024-09-03T14:38:00Z")

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I’m calculating the Quantum Fisher Information (QFI) for the kicked top system using the QuantumOptics package in Julia. The code works fine for initial states with j up to 1700, but when I increase j to 1800 or higher, …

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## [Taking the intersection of Semialgebraic Sets for Sum of Squares Optimization](https://discourse.julialang.org/t/taking-the-intersection-of-semialgebraic-sets-for-sum-of-squares-optimization/118826)

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**Author:** [@Xifan\_Yu](https://discourse.julialang.org/u/Xifan_Yu)\
**Replies:** 3\
**Last updated:** [September 3, 2024, 2:00pm UTC](https://discourse.julialang.org/t/taking-the-intersection-of-semialgebraic-sets-for-sum-of-squares-optimization/118826 "2024-09-03T14:00:18Z")

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Hi, I am trying to construct a semialgebraic set using package SumOfSquares, which involves a mixture of equality and inequality that would be easier to describe by a for loop. Is there an easy way for me to take the in…

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## [Multiple shooting with multiple trajectories: how to properly implement this?](https://discourse.julialang.org/t/multiple-shooting-with-multiple-trajectories-how-to-properly-implement-this/118715)

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**Author:** [@PyJulia](https://discourse.julialang.org/u/PyJulia)\
**Replies:** 2\
**Last updated:** [September 3, 2024, 1:00pm UTC](https://discourse.julialang.org/t/multiple-shooting-with-multiple-trajectories-how-to-properly-implement-this/118715 "2024-09-03T13:00:25Z")

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DiffEq has a tutorial on multiple shooting for neural ode’s. It works for a single trajectory. I have a dataset with several trajectories, each trajectory being a solution to a differential equation with different initia…

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## [Correct use of @spawn with data frames](https://discourse.julialang.org/t/correct-use-of-spawn-with-data-frames/118921)

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**Author:** [@kobusherbst](https://discourse.julialang.org/u/kobusherbst)\
**Replies:** 2\
**Last updated:** [September 3, 2024, 11:15am UTC](https://discourse.julialang.org/t/correct-use-of-spawn-with-data-frames/118921 "2024-09-03T11:15:46Z")

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I am new to multithreading, I have the following snippet of code: memberships = table\_read(db, "IndividualMemberships") sort!(memberships, \[:IndividualId, :HouseholdId, :StartDate\]) gdf\_memberships = groupby(memberships…

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## [MTK: connection of flow variable forces it to zero](https://discourse.julialang.org/t/mtk-connection-of-flow-variable-forces-it-to-zero/118976)

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**Author:** [@hexaeder](https://discourse.julialang.org/u/hexaeder)\
**Replies:** 3\
**Last updated:** [September 3, 2024, 10:56am UTC](https://discourse.julialang.org/t/mtk-connection-of-flow-variable-forces-it-to-zero/118976 "2024-09-03T10:56:21Z")

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Hello, I encountered some problem in MTK which I could recreate in the following MWE: using Pkg pkg"activate --temp" pkg"add ModelingToolkit" using ModelingToolkit using ModelingToolkit: t\_nounits as t, D\_nounits as Dt…

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## [Difference between m = function(m) and function!(m) where m is a JuMP Model instance](https://discourse.julialang.org/t/difference-between-m-function-m-and-function-m-where-m-is-a-jump-model-instance/118831)

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**Author:** [@Betristor](https://discourse.julialang.org/u/Betristor)\
**Replies:** 10\
**Last updated:** [September 2, 2024, 11:59pm UTC](https://discourse.julialang.org/t/difference-between-m-function-m-and-function-m-where-m-is-a-jump-model-instance/118831 "2024-09-02T23:59:04Z")

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I’ve read the performance tips about building models using juMP and it suggests to use exclamatory mark instead of return value. Is there any performance difference between these two ways in terms of memory usage?

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## [Subplots woes with plotlyjs backend](https://discourse.julialang.org/t/subplots-woes-with-plotlyjs-backend/19390)

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**Author:** [@ohsonice](https://discourse.julialang.org/u/ohsonice)\
**Replies:** 2\
**Last updated:** [September 2, 2024, 9:49pm UTC](https://discourse.julialang.org/t/subplots-woes-with-plotlyjs-backend/19390 "2024-09-02T21:49:34Z")

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I’m encountering unexpected behavior when attempting to plot subplots with the plotlyjs backend. Minimal example: using Plots plotlyjs() plot(rand(100,4),layout=4) The output produced is below. The first plot is huge a…

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## [Join me for a mini review of signal analysis tools for physiology and open science](https://discourse.julialang.org/t/join-me-for-a-mini-review-of-signal-analysis-tools-for-physiology-and-open-science/115344)

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**Author:** [@Datseris](https://discourse.julialang.org/u/Datseris)\
**Replies:** 9\
**Last updated:** [September 2, 2024, 9:48pm UTC](https://discourse.julialang.org/t/join-me-for-a-mini-review-of-signal-analysis-tools-for-physiology-and-open-science/115344 "2024-09-02T21:48:37Z")

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Hi there, Following a review of our paper for ComplexityMeasures.jl, I’ve been invited to contribute to the issue: because I am swamped with work, I decided to contribute a mini review focusing on Julia-based tools f…

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