How to conditionally select values in a dataframe and insert to a new column
@Hmz wrote: Hi everyone, I am trying to create a new dataframe column based on numeric conditions, but cannot seem to figure out the correct syntax to achieve this. For example, to reproduce the issue...
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Symbolic integration
@Stephen wrote: Is there any recommend package to compute the integration of following？ Posts: 2 Participants: 2 Read full topic
View ArticleHow to "collapse" a Vector of Vector?
@tomtom wrote: julia> vv = [[1.0, 2.0], [3.0, 4.0, 5.0], [6.0, 7.0] ] 3-element Array{Array{Float64,1},1}: [1.0, 2.0] [3.0, 4.0, 5.0] [6.0, 7.0] is there an efficient way to transform it into:...
View ArticleWeb browsing, button clicks, and login. Is it possible by Julia?
@BMval wrote: Would you suggest how I can not just parse HTML page but browse it, but clicking buttons, filling fields, and others? Thank you in advance. Posts: 2 Participants: 2 Read full topic
View ArticleFeedback for an API-wrapper
@R.Heijmann wrote: Hi there, I discovered Julia just a couple of hours ago. And wanted to give it a try. Could you give me feedback for my AccuWeather API-wrapper. I still have to find a way to make a...
View ArticleGet the argument names of an function
@Elmer_Cusipuma wrote: For an arbitrary function function f(x,y,z=3) p = x+y*z return p end I want to be able take the argument names of f julia> argument_names(f) 3-element Array{Symbol,1}: :x :y...
View ArticleTutorial on using advanced type system in Julia?
@yuxi.liu wrote: Is there a tutorial on advanced use of types in Julia? The manual isn’t enough for me to read advanced abstract type usage in actual packages. Posts: 6 Participants: 5 Read full topic
View ArticleUsing Laplacians to find fiedler values
@ennvvy wrote: I am trying to find the fiedler value for a directed graph using fiedler command in Laplacians package in Julia. using LightGraphs using Laplacians...
View ArticleAverage Path Length
@ennvvy wrote: Is there a predefined function in the LightGraphs package to find the average path length of a graph? Posts: 1 Participants: 1 Read full topic
View ArticleWhy can't I terminate an integrator in DifferentialEquations?
@yuxi.liu wrote: using DifferentialEquations # Dynamical system definition exp(u, p, t) = u # Terminate if out of region isinside(u) = 1.0 < u[1] < 10.0 terminate_condition(u, t, integrator) =...
View ArticleUsing Julia Autodiff/GPU or tensorflow 2.0
@congUoM wrote: Hi all, I am not new to Julia and I love Julia. Currently for my work project, I have a MATLAB framework and I have to decide on the programming language to use next. For a simple task...
View ArticlePackage stuck at old version
@NicholasWMRitchie wrote: I’m confused and frustrated. I was beginning to think that I understood the package system. It seems reasonable and rational. However, I’m completely puzzled why I seem to be...
View ArticleException calling "DownloadFile" with "2" argument(s): "The remote server...
@yuxi.liu wrote: I got this error while installing Blink AtomShell: julia> Blink.AtomShell.install() Exception calling "DownloadFile" with "2" argument(s): "The remote server returned an error:...
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Running into a LoadError that is breaking Code
@awiden91 wrote: Hi everyone, I am a JULIA newbie and running into a LoadError that is breaking a .jl file I am trying to run. The error I am getting is LoadError: syntax: invalid escape sequence and...
View ArticleWould somebody suggest what is the right to work in a parallel loop and write...
@BMval wrote: Would somebody suggest what is the right to work in a parallel loop and write data to the same Dataframe? Thank you in advance. Posts: 1 Participants: 1 Read full topic
View ArticleJulia 1.3 and pyimport("PIL.image")
@hhb wrote: (topic withdrawn by author, will be automatically deleted in 24 hours unless flagged) Posts: 1 Participants: 1 Read full topic
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How can I get an adjusted "rainbow" colormap using PyPlot
@tyfdzt wrote: The rainbow colormap in PyPlot is like image811×101 34.7 KB I want a “rainbow” like It seems part of “jet” How can I get it? Posts: 1 Participants: 1 Read full topic
View ArticleMultithreaded task spreading
@tro3 wrote: Apologies for the simple question. If I keep the number of active Threads.@spawn tasks <= numthreads, will I keep to a more-or-less one task per thread distribution? I am working on a...
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Some beginners questions
@flip101 wrote: Hello i’m new to Julia. I have a couple of questions. Is there a command to start a new project like cargo init (rust). So that it generates some files (Project.toml maybe?). If there...
View ArticleValues from Dictionary
@ar12y wrote: hi, I have the following dictionary called “states”: states=Dict{Any,Any}((0, 0) => Array{Any,1}[[[0], (0, 0), Any[0, 0]], [[1], (1, 0), Any[1, 1]]],(1, 0) => Array{Any,1}[[[0],...
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