# Specific Domains

**URL:** https://discourse.julialang.org/c/domain/10.md?no_subcategories=false&page=361

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**Page:** 362

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## [IterativeSolvers.jl and DistributedArrays.jl](https://discourse.julialang.org/t/iterativesolvers-jl-and-distributedarrays-jl/62175)

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**Author:** [@vlc](https://discourse.julialang.org/u/vlc)\
**Replies:** 3\
**Last updated:** [June 1, 2021, 3:24pm UTC](https://discourse.julialang.org/t/iterativesolvers-jl-and-distributedarrays-jl/62175 "2021-06-01T15:24:41Z")

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I would like to use the iterative solvers from IterativeSolvers.jl with DistributedArrays.jl, with no luck for now. Here is a MWE, where I try to invert a diagonal positive definite matrix using the CG algorithm : usin…

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## [Mann Kendall Test - Sen's Slope](https://discourse.julialang.org/t/mann-kendall-test-sens-slope/59038)

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**Author:** [@mixstam1453](https://discourse.julialang.org/u/mixstam1453)\
**Replies:** 5\
**Last updated:** [June 1, 2021, 3:24pm UTC](https://discourse.julialang.org/t/mann-kendall-test-sens-slope/59038 "2021-06-01T15:24:06Z")

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Hello to everyone, Let’s suppose we have 3-hourly fluxes of solar radiation at surface, for a period 1980-2020. I want to apply Mann Kendall Test to this time-series and find the Sen’s slope, intercept, p\_value and tau…

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## [Building large, modular models in Julia](https://discourse.julialang.org/t/building-large-modular-models-in-julia/20755)

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**Author:** [@asprionj](https://discourse.julialang.org/u/asprionj)\
**Replies:** 13\
**Last updated:** [June 1, 2021, 2:42pm UTC](https://discourse.julialang.org/t/building-large-modular-models-in-julia/20755 "2021-06-01T14:42:11Z")

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Hi, I’ll soon start building a modelling (and simulation) framework. There will be several “types” of model components (think “heater”, “valve”), with different “subtypes” (think “coil heater”, “electrically actuated pro…

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## [How to scale vector filed plots by the norm?](https://discourse.julialang.org/t/how-to-scale-vector-filed-plots-by-the-norm/62186)

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**Author:** [@SebastianM-C](https://discourse.julialang.org/u/SebastianM-C)\
**Replies:** 1\
**Last updated:** [June 1, 2021, 2:05pm UTC](https://discourse.julialang.org/t/how-to-scale-vector-filed-plots-by-the-norm/62186 "2021-06-01T14:05:17Z")

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I am writing a plot recipe for plotting vector fields in a package. I would like to have an arrow plot where the maximum arrow length and arrow size are fixed in Pixel units and all the arrows have their tail length and …

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## [JuMP/NumFOCUS contributor survey](https://discourse.julialang.org/t/jump-numfocus-contributor-survey/62141)

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**Author:** [@miles.lubin](https://discourse.julialang.org/u/miles.lubin)\
**Replies:** 2\
**Last updated:** [June 1, 2021, 12:35pm UTC](https://discourse.julialang.org/t/jump-numfocus-contributor-survey/62141 "2021-06-01T12:35:03Z")

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Hi JuMP community, JuMP is participating in a research project being conducted by NumFOCUS. The research is looking into understanding the diversity, inclusion and barriers to participation within NumFOCUS-sponsored pro…

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## [Fade to transparent](https://discourse.julialang.org/t/fade-to-transparent/62173)

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**Author:** [@jzr](https://discourse.julialang.org/u/jzr)\
**Replies:** 1\
**Last updated:** [June 1, 2021, 7:30am UTC](https://discourse.julialang.org/t/fade-to-transparent/62173 "2021-06-01T07:30:20Z")

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I have this plot. I want it to fade from opaque to transparent from x=0 to x=100. Is that possible? fig = Figure() Axis(fig\[1,1\]) let xs = 0:.1:100 ys1 = randn(length(xs)) ys2 = randn(length(xs)) yups = m…

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## [What are the currrent options for deep learning on an AMD GPU using Julia?](https://discourse.julialang.org/t/what-are-the-currrent-options-for-deep-learning-on-an-amd-gpu-using-julia/62168)

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**Author:** [@DorianT](https://discourse.julialang.org/u/DorianT)\
**Replies:** 0\
**Last updated:** [June 1, 2021, 12:51am UTC](https://discourse.julialang.org/t/what-are-the-currrent-options-for-deep-learning-on-an-amd-gpu-using-julia/62168 "2021-06-01T00:51:56Z")

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Hello everyone, I am quite new to Julia and the last few days wondering how I should go about my next project which will involve training word embedding models and performing various downstream tasks afterwards. I would…

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## [Bug in JuMP](https://discourse.julialang.org/t/bug-in-jump/62129)

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**Author:** [@JohnZ](https://discourse.julialang.org/u/JohnZ)\
**Replies:** 2\
**Last updated:** [May 31, 2021, 6:02pm UTC](https://discourse.julialang.org/t/bug-in-jump/62129 "2021-05-31T18:02:13Z")

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I am running into an unusual error if I specify a method (such as dual simplex, barrier) to use. The solver finds a solution but then I get an error message and Julia exits. The code below reproduces the error. Is this …

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## [Help us understand our users!](https://discourse.julialang.org/t/help-us-understand-our-users/61932)

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**Author:** [@maleadt](https://discourse.julialang.org/u/maleadt)\
**Replies:** 11\
**Last updated:** [May 31, 2021, 2:26pm UTC](https://discourse.julialang.org/t/help-us-understand-our-users/61932 "2021-05-31T14:26:12Z")

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Hi all! Once every while we need to pitch Julia’s GPU programming capabilities with vendors like NVIDIA. Doing so with technical arguments is easy enough, but companies are more easily convinced by an overview of note…

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## [Understanding of implies](https://discourse.julialang.org/t/understanding-of-implies/61978)

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**Author:** [@sogrbilja](https://discourse.julialang.org/u/sogrbilja)\
**Replies:** 14\
**Last updated:** [May 31, 2021, 12:41pm UTC](https://discourse.julialang.org/t/understanding-of-implies/61978 "2021-05-31T12:41:32Z")

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Can someone explain to me how should I read this and which values can variables have? model = Model() @variable(model, x\[1:2\], Bin) @constraint(model, x\[1\] \<= x\[2\]) Should I read it like: this constraint will ensure th…

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## [How to create a node graph editor?](https://discourse.julialang.org/t/how-to-create-a-node-graph-editor/62122)

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**Author:** [@JosePereiraUA](https://discourse.julialang.org/u/JosePereiraUA)\
**Replies:** 0\
**Last updated:** [May 31, 2021, 9:47am UTC](https://discourse.julialang.org/t/how-to-create-a-node-graph-editor/62122 "2021-05-31T09:47:46Z")

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Hi, I’m looking for a package (or set of packages) that allow me to create a node graph editor, something like this: So far, the closest package I found was the ClmGui.jl package, a wrapper around Dear ImGui. This C+…

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## [What's wrong with my code that it's figure is not matched with simulation](https://discourse.julialang.org/t/whats-wrong-with-my-code-that-its-figure-is-not-matched-with-simulation/62104)

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**Author:** [@sajad\_ghassemi](https://discourse.julialang.org/u/sajad_ghassemi)\
**Replies:** 2\
**Last updated:** [May 31, 2021, 9:33am UTC](https://discourse.julialang.org/t/whats-wrong-with-my-code-that-its-figure-is-not-matched-with-simulation/62104 "2021-05-31T09:33:34Z")

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Dear friends. I am a newbie and I asked many questions to simulate a full-bridge rectifier through ACME.jl and the circuit is as follows: and the current is as follows my code using ACME.jl package in julia as fo…

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## [BatchNorm: only track\_stats=true supported on gpu](https://discourse.julialang.org/t/batchnorm-only-track-stats-true-supported-on-gpu/62091)

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**Author:** [@ymtoo](https://discourse.julialang.org/u/ymtoo)\
**Replies:** 3\
**Last updated:** [May 31, 2021, 5:17am UTC](https://discourse.julialang.org/t/batchnorm-only-track-stats-true-supported-on-gpu/62091 "2021-05-31T05:17:30Z")

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Not able to use BatchNorm with track\_stats=false on GPU. julia\> using Flux julia\> model = Chain(Dense(10,5),BatchNorm(5,relu; track\_stats=false)) Chain(Dense(10, 5), BatchNorm(5, relu)) julia\> modelgpu = gpu(model) Ch…

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## [How to plot a graph with labels for vertices?](https://discourse.julialang.org/t/how-to-plot-a-graph-with-labels-for-vertices/62106)

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**Author:** [@xiaodai](https://discourse.julialang.org/u/xiaodai)\
**Replies:** 2\
**Last updated:** [May 31, 2021, 4:33am UTC](https://discourse.julialang.org/t/how-to-plot-a-graph-with-labels-for-vertices/62106 "2021-05-31T04:33:00Z")

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I am trying to do use LightGraphs.jl to plot some graphs which is ok but I want t label the vertices and edges too. I have used MetaGraphs to add metadata to each edge but I can’t seem to find a way to plot the graph wi…

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## [I have problem with sampling Frequency when I use ACME.jl](https://discourse.julialang.org/t/i-have-problem-with-sampling-frequency-when-i-use-acme-jl/62082)

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**Author:** [@sajad\_ghassemi](https://discourse.julialang.org/u/sajad_ghassemi)\
**Replies:** 7\
**Last updated:** [May 30, 2021, 8:12pm UTC](https://discourse.julialang.org/t/i-have-problem-with-sampling-frequency-when-i-use-acme-jl/62082 "2021-05-30T20:12:04Z")

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Dear friends, I am simulating a simple electrical circuit in EMTP-RV software which is used in electrical engineering as follows: and the voltage waveform of resistor is as follows: now I just used ACME.jl packag…

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## [Flux: reproducibility of GPU experiments](https://discourse.julialang.org/t/flux-reproducibility-of-gpu-experiments/62092)

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**Author:** [@Rasmus\_Hoier](https://discourse.julialang.org/u/Rasmus_Hoier)\
**Replies:** 1\
**Last updated:** [May 30, 2021, 5:41pm UTC](https://discourse.julialang.org/t/flux-reproducibility-of-gpu-experiments/62092 "2021-05-30T17:41:00Z")

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When I run the Flux model-zoo’s conv\_mnist.jl example there is an argument “seed” which should assure reproducibility (when larger than 0 ). This seems to only work when performing experiments on CPU, whereas GPU experim…

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## [I have the problem with frequency sampling](https://discourse.julialang.org/t/i-have-the-problem-with-frequency-sampling/62090)

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**Author:** [@sajad\_ghassemi](https://discourse.julialang.org/u/sajad_ghassemi)\
**Replies:** 0\
**Last updated:** [May 30, 2021, 1:37pm UTC](https://discourse.julialang.org/t/i-have-the-problem-with-frequency-sampling/62090 "2021-05-30T13:37:09Z")

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Dear friends, I simulated a full-bridge rectifier in EMTP-RV and the layout as well as current waveforms passing through diode 1 are as follows: while when I wrote the code by using ACME.jl package in julia as f…

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## [Makie.jl keyboard events](https://discourse.julialang.org/t/makie-jl-keyboard-events/62083)

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**Author:** [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Replies:** 1\
**Last updated:** [May 30, 2021, 11:51am UTC](https://discourse.julialang.org/t/makie-jl-keyboard-events/62083 "2021-05-30T11:51:09Z")

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Hello, I would like to react on keyboard events in a GLMakie based app, but the way suggested in the documentation does not work: on(events(fig).keyboardbutton) do event if event.action in (Keyboard.press, Keyboard…

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## [Help with Bayesian Latent Variable Model](https://discourse.julialang.org/t/help-with-bayesian-latent-variable-model/61651)

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**Author:** [@michielver](https://discourse.julialang.org/u/michielver)\
**Replies:** 2\
**Last updated:** [May 30, 2021, 8:37am UTC](https://discourse.julialang.org/t/help-with-bayesian-latent-variable-model/61651 "2021-05-30T08:37:14Z")

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Hi everyone, I am currently running into some issues with a Latent Variable Model I am trying to set up. I already simplified the model a few times, because I first want to get the simplest idea working and then build u…

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## [How can I get a plot for y when I use ACME package](https://discourse.julialang.org/t/how-can-i-get-a-plot-for-y-when-i-use-acme-package/61996)

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**Author:** [@sajad\_ghassemi](https://discourse.julialang.org/u/sajad_ghassemi)\
**Replies:** 5\
**Last updated:** [May 30, 2021, 5:21am UTC](https://discourse.julialang.org/t/how-can-i-get-a-plot-for-y-when-i-use-acme-package/61996 "2021-05-30T05:21:23Z")

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Hello everyone, I am using an example of a ACME.jl package to use for my project in which I should simulate a RLC circuit in Julia, but I don’t know how can I plot y according to time. this is the code which I use from…

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## [Array of Dict to array of String](https://discourse.julialang.org/t/array-of-dict-to-array-of-string/61979)

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**Author:** [@Laco\_Kovac](https://discourse.julialang.org/u/Laco_Kovac)\
**Replies:** 5\
**Last updated:** [May 29, 2021, 5:20pm UTC](https://discourse.julialang.org/t/array-of-dict-to-array-of-string/61979 "2021-05-29T17:20:53Z")

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Having array of Dict, e.g. x1 = \[Dict("a"=\>"a", "b"=\>"b", "c"=\>"c"), Dict("a"=\>"e", "b"=\>"f", "c"=\>"g"), Dict("a"=\>"h", "b"=\>"i", "c"=\>"j")\] What would be the most efficient way to convert it to array of strings consis…

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## [Running TemporalGPs/Stheno sampling](https://discourse.julialang.org/t/running-temporalgps-stheno-sampling/59780)

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**Author:** [@jzr](https://discourse.julialang.org/u/jzr)\
**Replies:** 25\
**Last updated:** [May 29, 2021, 2:14pm UTC](https://discourse.julialang.org/t/running-temporalgps-stheno-sampling/59780 "2021-05-29T14:14:19Z")

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I want to try sampling with TemporalGPs because it may be faster on larger data, as mentioned in another thread. The docs say to use Stheno’s examples for reference so I tried that. I had some issues and questions: II…

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## [Return Tuple from JuMP](https://discourse.julialang.org/t/return-tuple-from-jump/62026)

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**Author:** [@mjanun](https://discourse.julialang.org/u/mjanun)\
**Replies:** 3\
**Last updated:** [May 29, 2021, 8:21am UTC](https://discourse.julialang.org/t/return-tuple-from-jump/62026 "2021-05-29T08:21:32Z")

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I have few questions on JuMP. Can we return JuMP results as a named tuple of termination status and variable values? See MWE below. Variables will not always contain values, eg. if model is infeasible, so I don’t know ho…

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## [Getting a 3D position from mouse click. Makie.jl](https://discourse.julialang.org/t/getting-a-3d-position-from-mouse-click-makie-jl/61880)

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**Author:** [@Aroeira](https://discourse.julialang.org/u/Aroeira)\
**Replies:** 4\
**Last updated:** [May 28, 2021, 9:56pm UTC](https://discourse.julialang.org/t/getting-a-3d-position-from-mouse-click-makie-jl/61880 "2021-05-28T21:56:50Z")

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Hello, I am using Makie.jl to plot molecular shapes. Right now I am using it mostly as a passive tool: read a file with xyz coordinates and plot them. I would like to add some more interaction to it. So my main question …

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## [How to add dropdown menu inside Makie recipe?](https://discourse.julialang.org/t/how-to-add-dropdown-menu-inside-makie-recipe/62005)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 5\
**Last updated:** [May 28, 2021, 8:23pm UTC](https://discourse.julialang.org/t/how-to-add-dropdown-menu-inside-makie-recipe/62005 "2021-05-28T20:23:17Z")

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Is there an example somewhere of a full recipe with interactive elements? I am searching through the master branch documentation but can’t find an example.

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## [AlphaGPU: an alphazero implementation wholly on gpu](https://discourse.julialang.org/t/alphagpu-an-alphazero-implementation-wholly-on-gpu/60030)

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**Author:** [@Fabrice\_Rosay](https://discourse.julialang.org/u/Fabrice_Rosay)\
**Replies:** 11\
**Last updated:** [May 28, 2021, 4:46pm UTC](https://discourse.julialang.org/t/alphagpu-an-alphazero-implementation-wholly-on-gpu/60030 "2021-05-28T16:46:33Z")

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For those interested i made a fully cuda implementation of alphazero for connect 4. It can train a network to a very strong level in 2 to 3 hours on a single GPU, thanks to being able to play 32000 games in parallel. I…

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## [Makie - How to put contour3d and surface upon the same figure?](https://discourse.julialang.org/t/makie-how-to-put-contour3d-and-surface-upon-the-same-figure/62002)

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**Author:** [@jmura](https://discourse.julialang.org/u/jmura)\
**Replies:** 1\
**Last updated:** [May 28, 2021, 4:46pm UTC](https://discourse.julialang.org/t/makie-how-to-put-contour3d-and-surface-upon-the-same-figure/62002 "2021-05-28T16:46:16Z")

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Hi All, I’m trying to get a simple figure using this in a Jupyter notebook: using GLMakie, AbstractPlotting AbstractPlotting.inline!(true) ξ = LinRange(-1, 1, 50) η = LinRange(-1, 1, 50) ϕ₁(ξ) = (1 .- ξ)./2 ϕ₂(ξ) = …

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## [Hoeffding Dependence measure and test](https://discourse.julialang.org/t/hoeffding-dependence-measure-and-test/61987)

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**Author:** [@Eric](https://discourse.julialang.org/u/Eric)\
**Replies:** 0\
**Last updated:** [May 28, 2021, 12:52pm UTC](https://discourse.julialang.org/t/hoeffding-dependence-measure-and-test/61987 "2021-05-28T12:52:45Z")

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Hello there, I put together a Julia package implementing the Hoeffding Dependence measure for the ones that could be interested. There are some Matlab, R, Python, and SAS implementations, but I could not find one in Ju…

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## [How to have the same behaviour such as python's plt.plot()?](https://discourse.julialang.org/t/how-to-have-the-same-behaviour-such-as-pythons-plt-plot/61801)

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**Author:** [@Vicodin96](https://discourse.julialang.org/u/Vicodin96)\
**Replies:** 11\
**Last updated:** [May 28, 2021, 8:52am UTC](https://discourse.julialang.org/t/how-to-have-the-same-behaviour-such-as-pythons-plt-plot/61801 "2021-05-28T08:52:18Z")

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Hello to everyone, I’m new to Julia language and I come from Python. I’ve understood how to plot correctly, by using the display() function, but the plot, once created, immediately disappear. How can I have a blocking be…

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## [Turing.jl: Confusion about random variables and draws from distributions](https://discourse.julialang.org/t/turing-jl-confusion-about-random-variables-and-draws-from-distributions/61912)

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**Author:** [@jules](https://discourse.julialang.org/u/jules)\
**Replies:** 3\
**Last updated:** [May 28, 2021, 7:48am UTC](https://discourse.julialang.org/t/turing-jl-confusion-about-random-variables-and-draws-from-distributions/61912 "2021-05-28T07:48:42Z")

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Hi, I’m just starting out with probabilistic programming in general and Turing.jl specifically, so I am still in the process of wrapping my head around the logic of it. I want to build a simple model where a yes/no resp…

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