PrettyTables.jl: @ptconf tf argument not able to find custom tf
Hi, I’m currently using PrettyTables, and I’m not sure what’s going on with my codes below. I defined a custom tf as follows: using JuliaDB using PrettyTables tf_compact2 = TextFormat(up_right_corner...
View ArticleEmpty JSON3.Object
I am quite new to Julia and struggling with quite simple task. mutable struct XYZ id::Int64 item::JSON3.Object end To that structure I am trying to add default/empty constructor (setting item to empty...
View ArticleNeed example of processing csv file in chunks
I have big 10+GB files which I need to load and process line by line. I’m trying to use CSV package, but appears this package preload entire file. Can anyone help or point to example of code which...
View ArticleProper way of organizing code into subpackages
Hi all, I am in the process of converting a fairly complicated proprietary simulation model that I wrote in Python to Julia 1.5.3. The code is broken into around 20 different sub packages on the file...
View ArticleAnyone can help me to solve this error?
julia> import Printf julia> @printf("%3.2f", 3.1416) ERROR: LoadError: UndefVarError: @printf not defined in expression starting at REPL[12]:1 3 posts - 2 participants Read full topic
View ArticleUnable to find compatible target in system image
I have a multi-stage centos7-based dockerfile that has Julia 1.5.3 installed to /root/julia in the image base. PackageCompiler is v1.2.4 for this. Here is the relevant part: ####################...
View ArticlePackage does not have AnotherPackage in its dependencies
I have a small functioning Julia project. I needed to add JSONSchema package so I did: pkg> add JSONSchema It added following line to my Project.toml under [deps]: JSONSchema =...
View ArticleRepl_history depending on current working directory
So I am working concurrently on two separate projects, let us call them A and B. When I am in the working directory of project A, anything in repl_history.jl that is connected to project B is...
View ArticleProblem with trivial arithmetic
In my function “main” I have: floor1 = floor(Int64, 4382/6) println("floor1 = ", floor1) Hfloor1 = 6floor1 println("Hfloor1 = ", Hfloor1) missing1 = 4382 - Hfloor1 println("missing1 = ", missing1)...
View ArticleHow to create a Flux model from parameter vector?
Hi, I have a parameter vector and shape array as below: shape =[((2,5),2),((2,2),2)] #shape of layers : weights and bias w = rand(18) #weights and bias together. In this case elements of w are divided...
View ArticleStruggling with signatures
Hi, I’m struggling with type signatures. The following code only works if all the types I pass are of the exact same type. abstract type S end struct S1 <: S value::Int64 end struct S2 <: S...
View ArticleSilly SymPy question
I want to convert some symbolic computations from Maple to Julia/SymPy, specifically regarding the Park transformation. Question: how do I use coefficients like sqrt(3/2) and make sure that these are...
View ArticleWhile loop and UndefVarError
The variable gets undefined in a while loop. julia> index = length(fruits) 4 julia> while index > 0 println(fruits[index]) index -= 1 end ERROR: UndefVarError: index not defined Stacktrace:...
View ArticleDifferentialEquations.jl: ODE returns "retcode: success" but interpolation...
Hello Julia community, I am currently going through a toy-problem trying to solve the heat PDE using the FFT (I’m following this series by Steve Brunton https://youtu.be/BkA7ncY0b7I). This is the code...
View ArticleHelp in using the Cbc solver
Hi Could someone help me in using Cbc. I don’t know what happens but every time I try to compile an error message appears. I’m using JuMP v0.18.6 and Cbc v0.7.1, I tried to update these packages but I...
View ArticleAdd and kill one new agent every time step
I am playing with the Agents.jl Flocking example here (Flocking · Agents.jl). I would like to add a new agent and kill the oldest agent every time step. I can kill an agent by including age::Int as a...
View ArticleParametrically-constrained arguments not working?
The module testModule (below) defines method iterlocal that calls localindices. testModule uses DistributedArrays and SharedArrays, which impose mutually-exclusive parametric constraints on...
View ArticleIncluded code behaves different than code in place
Included code behaves different than code in place In file test.jl: module test function sumto(n) s = 0 for i = 1:n s = s + i end s end end # module test This works: julia>include("test.jl")...
View ArticleHow to adjust string into item in JSON structure
My code is validating input json using JSONSchema.isvalid If it is not valid, code takes string returned by JSONSchema.diagnose and it should return that string as json containing error. The code...
View ArticleGetting Error while creating Documentation using Documenter.jl
I was using the julia documentor.jl package as mentioned in documentation to create an empty documentation. But when i run the command: julia --color=yes make.jl I get the following error : $ julia...
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