I am trying to solve a low dimensional (box-)constrained optimisation problem over a large grid of parameters. Both the optimisation problem and the constraints depend on the parameters. I can assume that the optimisatio…
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## [Error using TestItems in VSCode](https://discourse.julialang.org/t/error-using-testitems-in-vscode/120699)
I get this error when I try to run tests using the TestItems framework in VSCode: An error occurred attempting to run tests: Error: Pending response rejected since connection got disposed The test runs fine from the VS…
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## [Writing a function that also works broadcasts over DataFrames](https://discourse.julialang.org/t/writing-a-function-that-also-works-broadcasts-over-dataframes/131675)
I love broadcasting over arrays. I love that in Julia I can define func(x) where x is e.g. a namedtuple and then call it on func.(x) where x is a vector of namedtuples. However… I’m having difficulty extending this to …
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## [Segmentation fault in executable after compilation with juliac including --trim --experimental arguments](https://discourse.julialang.org/t/segmentation-fault-in-executable-after-compilation-with-juliac-including-trim-experimental-arguments/125303)
I’m trying out the juliac compilation functionality and I’m getting segmentation faults in my executable. My code I try to compile: module ABCD Base.@ccallable function main()::Cint return 0 end end # Module ABCD…
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## [Anything in Julia or major Julia packages I could contribute to?](https://discourse.julialang.org/t/anything-in-julia-or-major-julia-packages-i-could-contribute-to/131622)
Thank you everyone for supporting me all along. Now, I know what to do. I’ve mastered algorithms to be pretty good at it in like 200 problems solved on hackerrank and other websites. Now, it’s time for me to do the same…
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## [libTracyClient Bad Image Popup](https://discourse.julialang.org/t/libtracyclient-bad-image-popup/131691)
I was going through some tutorials on SciML.ai website and for the second tutorial when I tried \] add DifferentialEquations I get a julia.exe - Bad Image popup. It says “C:.…julia\\artifacts\\f91…\\bin\\libTractClient.dll …
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## [Building a Julia-Powered E-Ink Dashboard: A Dev Log](https://discourse.julialang.org/t/building-a-julia-powered-e-ink-dashboard-a-dev-log/130709)
Every great journey starts with a single step. :man\_mage: In the spirit of open source, adventure, and fun, I am making an on-going development log here about building a Julia-powered e-ink dashboard ran on a Raspberr…
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## [How does nested tab completion work in the REPL?](https://discourse.julialang.org/t/how-does-nested-tab-completion-work-in-the-repl/102953)
How does nested tab completion work in the REPL? I notice I can get this to work with nested NamedTuple but I am struggling to get it to work with a custom type.
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## [Solving a Shifted Linear System of 2 Symmetric Positive Semi Definite (SPSD) Matrices](https://discourse.julialang.org/t/solving-a-shifted-linear-system-of-2-symmetric-positive-semi-definite-spsd-matrices/131636)
I have the following linear system: \\left( \\boldsymbol{A} + \\lambda \\boldsymbol{C} \\right) \\boldsymbol{x} = \\boldsymbol{A}^{T} \\boldsymbol{b} Where \\boldsymbol{A}, \\boldsymbol{C} \\in \\mathcal{S}\_{+}^{n} are Symmetric …
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## [Obtain the prior distribution for a function's parameter](https://discourse.julialang.org/t/obtain-the-prior-distribution-for-a-functions-parameter/131677)
Hi, all. I met a problem getting the prior distribution for parameters in a function f(x; b, s, q). I wish to obtain a dict ParaDict = Dict(:b =\> b, :s =\> s, :q =\> q) in form of b ~ truncated(Normal(1., 1), 0, 5) s ~ t…
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## [Strange dependence on domain for polar coordinates in optimization over disk](https://discourse.julialang.org/t/strange-dependence-on-domain-for-polar-coordinates-in-optimization-over-disk/131676)
Hi, I’m trying to optimize a function over a disk using a transformation to polar coordinates. When I restrict the radius to non-negative values, there is no problem, but when I allow it to be negative, I get that the al…
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## [Thread safe memoization](https://discourse.julialang.org/t/thread-safe-memoization/131673)
I have the following code, using memoization: # Copyright (c) 2025 Marcus Becker, Uwe Fechner # SPDX-License-Identifier: BSD-3-Clause """ discretizeRotor(n\_rp::Int) -\> Tuple{Matrix{Float64}, Vector{Float64}} Discr…
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## [Complex Piecewise function](https://discourse.julialang.org/t/complex-piecewise-function/131681)
Hello, Can I add this function using Symbolics.jl? I know about ifelse, but I haven’t found any examples with multiple conditions. Thanks for your help
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## [Bilinear Model in Turing](https://discourse.julialang.org/t/bilinear-model-in-turing/131614)
Hello, I am new to Julia and I am running Bayesian inference in Turing for a Bilinear Model- Y = X \* B \* Z’ + E where Y is nxm, X is nxp, B is pxq and Z is mxq. E is also nxm and follows multivariate normal (0, Sigma)…
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## [SVG cells in Pluto](https://discourse.julialang.org/t/svg-cells-in-pluto/87524)
After a bit of experimental exploring I discovered partly by accident that you can have SVG cells in Pluto. Here is some example text for a Pluto cell to illustrate what I mean: html""" \