# Latest

**URL:** https://discourse.julialang.org/latest.md?page=72

[Latest](https://discourse.julialang.org/latest.md) · [Categories](https://discourse.julialang.org/categories.md) · [Tags](https://discourse.julialang.org/tags.md)

**Page:** 73

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## [Error loading OpenSSL\_jll (“version OPENSSL\_3.3.0 not found”) when precompiling MLDatasets](https://discourse.julialang.org/t/error-loading-openssl-jll-version-openssl-3-3-0-not-found-when-precompiling-mldatasets/128977)

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**Author:** [@josemanuel22](https://discourse.julialang.org/u/josemanuel22)\
**Replies:** 8\
**Last updated:** [December 16, 2025, 2:43pm UTC](https://discourse.julialang.org/t/error-loading-openssl-jll-version-openssl-3-3-0-not-found-when-precompiling-mldatasets/128977 "2025-12-16T14:43:10Z")

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Environment Julia version: 1.8 OS: Linux (64-bit) OpenSSL\_jll artifact path: /export/usuarios01/jmfrutos/.julia/artifacts/a696e1e3e6b8d3c2c4b67609357ebc5c35eabde1/lib/libssl.so When I run: using MLDatasets I get th…

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## [Julia 1.12.3 stopped outputting top-level println strings](https://discourse.julialang.org/t/julia-1-12-3-stopped-outputting-top-level-println-strings/134583)

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**Author:** [@phma](https://discourse.julialang.org/u/phma)\
**Replies:** 4\
**Last updated:** [December 16, 2025, 11:10am UTC](https://discourse.julialang.org/t/julia-1-12-3-stopped-outputting-top-level-println-strings/134583 "2025-12-16T11:10:37Z")

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I have a repo on two computers, one of which I just upgraded to Julia 1.12.3. There are some println statements not in any function. I start Julia on both computers and load the project with using. This is output: phma@…

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## [Can a callback be triggered at the initial time point (at t=0)](https://discourse.julialang.org/t/can-a-callback-be-triggered-at-the-initial-time-point-at-t-0/114376)

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**Author:** [@valerdam](https://discourse.julialang.org/u/valerdam)\
**Replies:** 3\
**Last updated:** [December 16, 2025, 10:54am UTC](https://discourse.julialang.org/t/can-a-callback-be-triggered-at-the-initial-time-point-at-t-0/114376 "2025-12-16T10:54:09Z")

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I am using the code from advanced\_simulations - (the one using CallbackSets) and just modified the time to include t=0.0. ps\_cb\_1 = PresetTimeCallback(\[3.0, 7.0\], integ -\> integ\[:X1\] += 5.0) and added a time zero ps\_c…

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## [Sharing a reference across multiple threads](https://discourse.julialang.org/t/sharing-a-reference-across-multiple-threads/134538)

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**Author:** [@freeman](https://discourse.julialang.org/u/freeman)\
**Replies:** 14\
**Last updated:** [December 16, 2025, 9:12am UTC](https://discourse.julialang.org/t/sharing-a-reference-across-multiple-threads/134538 "2025-12-16T09:12:01Z")

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Suppose I have a reference that’s shared across two threads. One of the threads only sets the reference, and the other only dereferences it. Does this need a lock around the reference? On setting, on dereferencing, or b…

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## [How to organize modules in a composable way?](https://discourse.julialang.org/t/how-to-organize-modules-in-a-composable-way/134536)

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**Author:** [@mj2984](https://discourse.julialang.org/u/mj2984)\
**Replies:** 6\
**Last updated:** [December 16, 2025, 7:46am UTC](https://discourse.julialang.org/t/how-to-organize-modules-in-a-composable-way/134536 "2025-12-16T07:46:04Z")

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Suppose I have a module module\_init that defines a type init\_struct, and I am now trying to make multiple modules in different projects that build on top of this init\_struct. For example ./project\_init/src/module\_init.j…

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## [Possible to disable julia printing escape sequences on startup when running a script?](https://discourse.julialang.org/t/possible-to-disable-julia-printing-escape-sequences-on-startup-when-running-a-script/134584)

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**Author:** [@haahr](https://discourse.julialang.org/u/haahr)\
**Replies:** 0\
**Last updated:** [December 16, 2025, 7:27am UTC](https://discourse.julialang.org/t/possible-to-disable-julia-printing-escape-sequences-on-startup-when-running-a-script/134584 "2025-12-16T07:27:10Z")

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Complete newbie here. I’ve just installed 1.12.3 on an M1 Mac running Sequoia 15.4. I’m using a escape-sequence capable terminal for my interactive Julia sessions, but I run my scripts from inside an Emacs terminal windo…

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## [Package breakage due to change in dependency](https://discourse.julialang.org/t/package-breakage-due-to-change-in-dependency/134575)

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**Author:** [@sparrowhawk](https://discourse.julialang.org/u/sparrowhawk)\
**Replies:** 3\
**Last updated:** [December 16, 2025, 5:14am UTC](https://discourse.julialang.org/t/package-breakage-due-to-change-in-dependency/134575 "2025-12-16T05:14:48Z")

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Hi Julia folks, I have a registered package that used to install PyPlot with a build.jl in a deps/ folder as follows: import Pkg, Conda @info "building!" Conda.pip\_interop(true) Conda.pip("install", "matplotlib==3.7.3"…

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## [NearestNeighbors.jl: 10 year anniversary, "recent" updates and developments](https://discourse.julialang.org/t/nearestneighbors-jl-10-year-anniversary-recent-updates-and-developments/134518)

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**Author:** [@kristoffer.carlsson](https://discourse.julialang.org/u/kristoffer.carlsson)\
**Replies:** 6\
**Last updated:** [December 16, 2025, 2:44am UTC](https://discourse.julialang.org/t/nearestneighbors-jl-10-year-anniversary-recent-updates-and-developments/134518 "2025-12-16T02:44:07Z")

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NearestNeighbors.jl is the first package I created with the initial commit now being (slightly over) 10 years ago. In fact, doing a nearest neighbors query was the very first code I wrote in Julia (with the Julia LightT…

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## [Issues with Julia 1.12.2 Docker with GAP.jl](https://discourse.julialang.org/t/issues-with-julia-1-12-2-docker-with-gap-jl/134558)

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**Author:** [@RYB](https://discourse.julialang.org/u/RYB)\
**Replies:** 3\
**Last updated:** [December 16, 2025, 12:27am UTC](https://discourse.julialang.org/t/issues-with-julia-1-12-2-docker-with-gap-jl/134558 "2025-12-16T00:27:18Z")

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Hello, I’m relatively new to Docker and Julia so I would appreciate any advice. I am trying to create a Docker container for Julia 1.12.2 with CUDA.jl, Oscar.jl (and hence GAP.jl), and some other libraries. Namely, I wa…

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## [Julia v1.12.3 and v1.11.8 have been released](https://discourse.julialang.org/t/julia-v1-12-3-and-v1-11-8-have-been-released/134573)

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**Author:** [@ararslan](https://discourse.julialang.org/u/ararslan)\
**Replies:** 0\
**Last updated:** [December 16, 2025, 12:19am UTC](https://discourse.julialang.org/t/julia-v1-12-3-and-v1-11-8-have-been-released/134573 "2025-12-16T00:19:39Z")

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Two new Julia versions are now available: v1.12.3 and v1.11.8. Binaries are available via JuliaUp (recommended) and manual download for macOS (Intel and M-series processors), Windows (x86 and x86-64), glibc Linux (x86, x…

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## [2-based indexing](https://discourse.julialang.org/t/2-based-indexing/134275)

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**Author:** [@healyp](https://discourse.julialang.org/u/healyp)\
**Replies:** 14\
**Last updated:** [December 16, 2025, 12:01am UTC](https://discourse.julialang.org/t/2-based-indexing/134275 "2025-12-16T00:01:23Z")

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The 1.13 alpha release announcement talks about 2-based indexing. I can find no useful discussion of what this means. Can anybody please explain the value / significance of 2-based indexing of arrays?

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## [Very slow training of Neural ODE with exogeneous input compared to jax using dense interpolated solution](https://discourse.julialang.org/t/very-slow-training-of-neural-ode-with-exogeneous-input-compared-to-jax-using-dense-interpolated-solution/134557)

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**Author:** [@johtok](https://discourse.julialang.org/u/johtok)\
**Replies:** 4\
**Last updated:** [December 15, 2025, 11:09pm UTC](https://discourse.julialang.org/t/very-slow-training-of-neural-ode-with-exogeneous-input-compared-to-jax-using-dense-interpolated-solution/134557 "2025-12-15T23:09:39Z")

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Hi guys! Ive been breaking my neck trying to get a julia alternative to this jax neural ode with exogeneous input script working but without luck! The julia version is painfully slow whereas the jax version runs in a c…

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## [How does compiler and other stuff works in closures](https://discourse.julialang.org/t/how-does-compiler-and-other-stuff-works-in-closures/134553)

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**Author:** [@RCh](https://discourse.julialang.org/u/RCh)\
**Replies:** 3\
**Last updated:** [December 15, 2025, 10:09pm UTC](https://discourse.julialang.org/t/how-does-compiler-and-other-stuff-works-in-closures/134553 "2025-12-15T22:09:54Z")

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Hi, another conceptual question. I have a closure like functionality: z = function outer1(x0::Int) x = x0 function inner1() println(x) end function inner1(y::Int64) …

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## [What's new in v1.13?](https://discourse.julialang.org/t/whats-new-in-v1-13/134497)

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**Author:** [@sylvaticus](https://discourse.julialang.org/u/sylvaticus)\
**Replies:** 12\
**Last updated:** [December 15, 2025, 8:13pm UTC](https://discourse.julialang.org/t/whats-new-in-v1-13/134497 "2025-12-15T20:13:08Z")

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Small question, what’s important new feature in v1.13? As the freezing period has passed, I had a look at the NEWS file, but I couldn’t get the feeling of what - if any - “big” new feature is landing in the next upcomin…

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## [Pythonplot: let LaTeX render text in final document](https://discourse.julialang.org/t/pythonplot-let-latex-render-text-in-final-document/134372)

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**Author:** [@maltee1](https://discourse.julialang.org/u/maltee1)\
**Replies:** 6\
**Last updated:** [December 15, 2025, 12:19pm UTC](https://discourse.julialang.org/t/pythonplot-let-latex-render-text-in-final-document/134372 "2025-12-15T12:19:04Z")

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I would like to better integrate my plots into a LaTeX document. I know about PGFPlots(X) and I really like the idea, unfortunately I could only really work with Py(thon)Plots so far, because of the lack of features in o…

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## [\[ANN\] Biplots.jl](https://discourse.julialang.org/t/ann-biplots-jl/68520)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 4\
**Last updated:** [December 15, 2025, 11:24am UTC](https://discourse.julialang.org/t/ann-biplots-jl/68520 "2025-12-15T11:24:30Z")

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Biplots were introduced in the 70s and are super useful in exploratory data analysis. Given a design matrix X or more generally a table with variable names, it produces a 2D or 3D visualization with principal axes of ali…

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## [How to run a .jl file on Windows 10?](https://discourse.julialang.org/t/how-to-run-a-jl-file-on-windows-10/134547)

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**Author:** [@atBNE](https://discourse.julialang.org/u/atBNE)\
**Replies:** 5\
**Last updated:** [December 15, 2025, 7:56am UTC](https://discourse.julialang.org/t/how-to-run-a-jl-file-on-windows-10/134547 "2025-12-15T07:56:52Z")

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I have installed Julia v 1.12.2 using the MSIX App Installer, as recommended. I can run REPL, using the command prompt. But I can not run a .jl file: the extension is not recognised. Can someone give us the step-by-ste…

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## [Multiple dispatch example at/for julialang.org](https://discourse.julialang.org/t/multiple-dispatch-example-at-for-julialang-org/134537)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 8\
**Last updated:** [December 14, 2025, 9:23pm UTC](https://discourse.julialang.org/t/multiple-dispatch-example-at-for-julialang-org/134537 "2025-12-14T21:23:29Z")

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I think I understand multiple dispatch, but the example there is seemingly only single dispatch. People already think multiple dispatch is just the same as overloading, so which example might show it off better, and is a…

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## [Nerd Sniping: How can I improve the read in of a human-readable file?](https://discourse.julialang.org/t/nerd-sniping-how-can-i-improve-the-read-in-of-a-human-readable-file/134517)

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**Author:** [@jwtkeeble](https://discourse.julialang.org/u/jwtkeeble)\
**Replies:** 17\
**Last updated:** [December 14, 2025, 7:30pm UTC](https://discourse.julialang.org/t/nerd-sniping-how-can-i-improve-the-read-in-of-a-human-readable-file/134517 "2025-12-14T19:30:52Z")

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Hi All, I’m currently trying to read in a huge human-readable file, which can take up to 50% of my total walltime when running a job. I was wondering if there’s a more efficient way to read in such a file? Naturally, I…

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## [How to cleanup artifacts folder](https://discourse.julialang.org/t/how-to-cleanup-artifacts-folder/101277)

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**Author:** [@juliohm](https://discourse.julialang.org/u/juliohm)\
**Replies:** 7\
**Last updated:** [December 14, 2025, 7:00pm UTC](https://discourse.julialang.org/t/how-to-cleanup-artifacts-folder/101277 "2025-12-14T19:00:05Z")

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I recently noticed that my home folder is occupying 89% of my SSD because of .julia/artifacts: How to clean up this folder and start fresh? I just want to keep the global environments I’ve defined and the dev’ed pack…

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## [Static call at runtime](https://discourse.julialang.org/t/static-call-at-runtime/134516)

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**Author:** [@epilliat](https://discourse.julialang.org/u/epilliat)\
**Replies:** 7\
**Last updated:** [December 14, 2025, 9:55am UTC](https://discourse.julialang.org/t/static-call-at-runtime/134516 "2025-12-14T09:55:56Z")

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This problem comes from several pieces of code I’ve been struggling to optimize due to missunderstanding of Julia compiler. I would like to know if there are any “standard” way to do this. Consider a function f that doe…

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## [Amy: Agentic Mathematical Engine - Looking for feedback & contributors](https://discourse.julialang.org/t/amy-agentic-mathematical-engine-looking-for-feedback-contributors/134540)

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**Author:** [@agenisea](https://discourse.julialang.org/u/agenisea)\
**Replies:** 0\
**Last updated:** [December 14, 2025, 2:10am UTC](https://discourse.julialang.org/t/amy-agentic-mathematical-engine-looking-for-feedback-contributors/134540 "2025-12-14T02:10:08Z")

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I’m sharing an experimental project: Amy (Agentic Mathematical Engine) - an LLM-powered reasoning system for scientific computing in Julia. What it does: Takes natural language queries like “Design a Hohmann transfer …

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## [Understanding Primitive and Composite Types](https://discourse.julialang.org/t/understanding-primitive-and-composite-types/134477)

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**Author:** [@Queenvictoria](https://discourse.julialang.org/u/Queenvictoria)\
**Replies:** 7\
**Last updated:** [December 14, 2025, 1:55am UTC](https://discourse.julialang.org/t/understanding-primitive-and-composite-types/134477 "2025-12-14T01:55:54Z")

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I’m trying to understand the different types, but it isn’t completely clear. As far as I understand, primitive types are those that contain one actual value. So are all concrete types, that aren’t containers, primitive …

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## [Precompilation and tracking dependencies](https://discourse.julialang.org/t/precompilation-and-tracking-dependencies/134530)

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**Author:** [@epilliat](https://discourse.julialang.org/u/epilliat)\
**Replies:** 1\
**Last updated:** [December 14, 2025, 1:03am UTC](https://discourse.julialang.org/t/precompilation-and-tracking-dependencies/134530 "2025-12-14T01:03:09Z")

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I’m somehow bouncing back on this post about the time it takes for precompilation, and I agree with @mattsignorelli that it can scare new users about the practical performance of Julia. I’ve also been frustrated a lot be…

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## [PSA: TagBot can’t tag & release commits that touch GitHub workflows](https://discourse.julialang.org/t/psa-tagbot-can-t-tag-release-commits-that-touch-github-workflows/134532)

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**Author:** [@ianshmean](https://discourse.julialang.org/u/ianshmean)\
**Replies:** 2\
**Last updated:** [December 13, 2025, 7:37pm UTC](https://discourse.julialang.org/t/psa-tagbot-can-t-tag-release-commits-that-touch-github-workflows/134532 "2025-12-13T19:37:44Z")

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It turns out that a large source of TagBot’s puzzling intermittent failures may be because GitHub doesn’t like to make it easy to tag and release tags on commits that touch GitHub workflow files, and TagBot can’t do so (…

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## [Is anyone using 32-bit Julia on Windows?](https://discourse.julialang.org/t/is-anyone-using-32-bit-julia-on-windows/89525)

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**Author:** [@Palli](https://discourse.julialang.org/u/Palli)\
**Replies:** 25\
**Last updated:** [December 13, 2025, 4:32pm UTC](https://discourse.julialang.org/t/is-anyone-using-32-bit-julia-on-windows/89525 "2025-12-13T16:32:24Z")

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I don’t see much reason to keep that dying platform around, and think it would help it it were retired (but not (yet) 32-bit Linux). I see work on Julia seemingly blocked on it (getting rid of libm, otherwise done, or a…

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## [Solving PDE on the sphere](https://discourse.julialang.org/t/solving-pde-on-the-sphere/134513)

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**Author:** [@rveltz](https://discourse.julialang.org/u/rveltz)\
**Replies:** 5\
**Last updated:** [December 13, 2025, 3:25pm UTC](https://discourse.julialang.org/t/solving-pde-on-the-sphere/134513 "2025-12-13T15:25:19Z")

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Hi, I would like to study some PDEs on the sphere and compute the spectrum of infinitesimal generator of Markov processes. It seems that HarmonicOrthogonalPolynomials is a very good start because it provides that Laplac…

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## [Zoom, translate, rotate and save](https://discourse.julialang.org/t/zoom-translate-rotate-and-save/134526)

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**Author:** [@raman\_kumar](https://discourse.julialang.org/u/raman_kumar)\
**Replies:** 3\
**Last updated:** [December 13, 2025, 2:38pm UTC](https://discourse.julialang.org/t/zoom-translate-rotate-and-save/134526 "2025-12-13T14:38:10Z")

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I also want to create many 3D plots. I will zoom and rotate each to same extent and then save them. How to do it? How to translate and rotate by code? What is range of value that we can supply in zoom!() line end? usi…

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## [Markovian SDDP: is a finite and concrete scenario tree necessary?](https://discourse.julialang.org/t/markovian-sddp-is-a-finite-and-concrete-scenario-tree-necessary/134317)

<div class="topic-metadata">

**Author:** [@WalterMadelim](https://discourse.julialang.org/u/WalterMadelim)\
**Replies:** 12\
**Last updated:** [December 13, 2025, 3:27am UTC](https://discourse.julialang.org/t/markovian-sddp-is-a-finite-and-concrete-scenario-tree-necessary/134317 "2025-12-13T03:27:14Z")

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(I kinda forget these knowledge) I asked chatGPT this question is it a prerequisite to restrict the number of uncertainty realizations in each stage to be finite, if I adopt a Markov-SDDP algorithm to tackle a multist…

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## [Differentiating expressions with both Symbolic arrays and Symbolic variables](https://discourse.julialang.org/t/differentiating-expressions-with-both-symbolic-arrays-and-symbolic-variables/134522)

<div class="topic-metadata">

**Author:** [@chenwilliam77](https://discourse.julialang.org/u/chenwilliam77)\
**Replies:** 2\
**Last updated:** [December 12, 2025, 11:17pm UTC](https://discourse.julialang.org/t/differentiating-expressions-with-both-symbolic-arrays-and-symbolic-variables/134522 "2025-12-12T23:17:13Z")

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Here’s a MWE of what I want to work but doesn’t. using Symbolics K = 3 @variables M\[1:K, 1:K\] x1 = Symbolics.variables(:x1, 1:K) x2 = Symbolics.variables(:x2, 1:K) result = vcat(M \* x1, M \* x2) Jx1 = Symbolics.jacobian…

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