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Using arbitrary polygons as markers in Makie.jl

Hi, I know I can make any polygon as a vector of Point2f0 and plot it with poly!. However what I’d like to do is use this polygon as a marker for a scatter plot. is this possible? how? I couldn’t find...

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Multiple dispatch with module and external functions

Hello everyone, Julia newbie here. My problem revolves around multiple dispatch. The following is a pseudo-code and might not adhere to the proper syntax. custom_module.jl module custom_module export...

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Signal (7): Bus error

hi guys, I hope you are all are still alive and healthy after this terrible ordeal with covid-19 thingy. I have a question regarding data save using JLD2 package. Please see following the error that I...

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Plotting a distribution of planes

A distribution of planes is an map that assigns a plane to each point of space. For example: A distribution can be defined by giving a field of normal vectors to the planes (more precisely, a...

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Help with using the "for" command

Hello I’m trying to make the “for” compile all the variables in the model, but whenever I compile it just returns the variable “c” Can anybody help me ? Thank you!! using JuMP, MathOptInterface, GLPK,...

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How to open, run and see results form .jl file

I have installed Julia and Pluto. Now I’d like to open .jl files, run those files and see results. Files are from [GitHub - vinhphunguyen/MPM-Julia: Julia implementation of the material point method...

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Extending `getproperty`

So I want to extend getproperty (and likewise setproperty!) for a custom type, a bit like what LinearAlgebra.LU does. I see that this is usually done with an if/else chain; however, this is not very...

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How to handle missing values in conditions

I have a dataframe with zeros and missing values and I would like to create an indicator array that assigns a one if the value is zero and a zero otherwise. I would like missing values to be included...

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Get shortest/longest string in array

What is the best way to retrieve the shortest or longest string in an array? If there are multiple candidates having the same minimum/maximum length, it’s okay to return just the first one. This can...

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Dot abruptly ends Julia session

I’m new to Julia. The following code abruptly ends my Julia 1.5.3 session (Julia has exited.) at ii = 14 when I’m working in Windows 10, but it runs to completion when converting to ComplexF32. When I...

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InexactError when multiplying entirely missing matrices

I am trying to multiply matrices, some of which can be entirely missing. I would expect the result to be a missing value (similar to Python). Instead I get InexactError: trunc(Int64, Inf) omega =...

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Increment some components of a vector

Hi, I’m trying to increment some components of a vector (for a finite volume code). Here is a MWE: components=[1,1,2] vector=zeros(3) increment=collect(1:3) vector[components]+=increment The value of...

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Adding packages using GitHub Actions

I am just starting to use GitHub Actions. When running a github_ci.yml script via GitHub Actions I am getting the following error: - Run `import Pkg; Pkg.add("BusinessDays")` to install the...

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Help translating curl command to HTTP.jl

I would like to scrape data using the Spotify API and I cannot seem to get the example curl command to translate to HTTP.jl I am trying to get the accesstoken using my credentials. The relevant...

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How to plot sub plots in layout using for loop

(topic withdrawn by author, will be automatically deleted in 24 hours unless flagged) 1 post - 1 participant Read full topic

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Unable to guess system type on Chrome OS with linux (beta)

I get the following error in Julia’s package mode. (@v1.5) pkg> build ForwardDiff Documenter Interpolations Roots IntervalArithmetic QuadGK OffsetArrays LinearAlgebra Building CRlibm →...

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How should I simplify nested loops?

I am trying to understand the julia codes I am learning, and I find it difficult to understand the nested loop, don’t know how that should be simplified instead. Since I am comfortable with python, I...

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How to get number of Terms in @formula?

How to get number of Terms in @formula? Is any API? is a good way to do it? function nterms(model) if isa(model.rhs, Term) p = 1 else isa(model.rhs, Tuple) p = length(model.rhs) end p end 2 posts - 2...

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Julian way of defining custom numeric types

Hello, I am working with the DifferentialEquations package to play around some differential equations involving angles. Instead of letting everything go on as a normal float and just afterwards reduce...

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Timeout / early kill an external process

I want to do a terminal command (on linux) with a timeout. I know there is not a timeout built into the run command so I was trying to do something to make one. So basically I tried: function...

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