[julia-users] SharedArray - intialisation by filename

So I was poking around the SharedArray code, and saw that there was a method for creating one given a file name. After some further playing about I've realised the file has to be in some sort of binary format (e.g. created by write(somefileio, somearray) ) due to something to do with mmapping

[julia-users] Re: question about Hessian in ForwardDiff return InexactError()

Hi Tony: Thanks for the suggestion. Unfortunately, the result is the same. I initialized/pre-allocated the destination array for the Hessian as hessh = zeros(nparm,nparm) Julia's reply from the call to hessh = ForwardDiff.hessian(PF_RE_AR1_outer_alt, parms) began with

Re: [julia-users] help with a macro to stringize high precision floating point values

I think we should probably make it possible to access the full string of a numeric literal in a macro but that is a substantial change to the parser. On Monday, November 2, 2015, David P. Sanders wrote: > > > El lunes, 2 de noviembre de 2015, 6:35:46 (UTC-6), Milan

Re: [julia-users] help with a macro to stringize high precision floating point values

El lunes, 2 de noviembre de 2015, 7:58:17 (UTC-6), Stefan Karpinski escribió: > > I think we should probably make it possible to access the full string of > a numeric literal in a macro but that is a substantial change to the parser. > That would be great. Off-topic: Jeffrey, will your

Re: [julia-users] Why does setting ENV["TZ"] in the REPL behave differently?

Seems like libc must not check the TZ variable each time, possibly due to performance considerations? On Monday, November 2, 2015, Avik Sengupta wrote: > I'm not sure why this behaves differently. The now() function calls down > to time_now() in libc, and while we do a

[julia-users] Re: question about Hessian in ForwardDiff return InexactError()

By "the destination array" I meant the line cs00V = eye(dsts) If dsts is an integer element type there, then cs00V will also have an integer element type. Try eye(size(dsts)...) On Monday, November 2, 2015 at 5:32:54 AM UTC-8, james...@gmail.com wrote: > > Hi Tony: > > Thanks for the

[julia-users] Re: question about Hessian in ForwardDiff return InexactError()

Misread the part where you said dsts = 2. Can you post more of the code, exactly how is dsts getting passed to these lines? On Monday, November 2, 2015 at 7:28:56 AM UTC-8, Tony Kelman wrote: > > By "the destination array" I meant the line > > cs00V = eye(dsts) > > If dsts is an integer

Re: [julia-users] Why does setting ENV["TZ"] in the REPL behave differently?

> On Mon, 2 Nov 2015 08:56:05 -0500, Stefan Karpinski said: > Seems like libc must not check the TZ variable each time, possibly > due to performance considerations? Right. So is there a way that I can get the julia process to do a tzset() after I do ENV["TZ"] = whatever ?

Re: [julia-users] Why does setting ENV["TZ"] in the REPL behave differently?

> On Mon, 2 Nov 2015 09:16:16 -0500, Josef Sachs said: > On Mon, 2 Nov 2015 08:56:05 -0500, Stefan Karpinski said: >> Seems like libc must not check the TZ variable each time, possibly >> due to performance considerations? > Right. So is there a way that I can get the julia process to

Re: [julia-users] help with a macro to stringize high precision floating point values

El lunes, 2 de noviembre de 2015, 6:35:46 (UTC-6), Milan Bouchet-Valat escribió: > > Le lundi 02 novembre 2015 à 00:58 -0800, Jeffrey Sarnoff a écrit : > > I have many values like > > 0.6584871727288045313850172023417636020375045372547107712468813403 > > that come from Maple and I would

Re: [julia-users] Julia license/patents possibly use "Universal Permissive License"?

The MIT license was and still is the simplest, best-known liberal license. It's way too late to change the license now and there's no compelling reason to do so. We'd have to get permission from the 400+ people who have made contributions to Julia. For what benefit? A license that has the same

[julia-users] Path to module in Atom IDE

>From the command pallete, try typing "Julia Client: Work in file folder". I >had the same problem and should have submitted a PR to the docs (and will if >no one beats me to it). Hope that helps.

Re: [julia-users] why does @eval (a=b) set a global variable?

On Mon, Nov 2, 2015 at 12:52 PM, Deniz Yuret wrote: > If I have the following function: > > function foo(k,v) > @eval ($(symbol(k))=$v) > println(bar) > end > > > and I call it with: > > foo("bar", 5) > > then the global variable bar is set to 5 and the function

[julia-users] Re: Custom parsing of csv files in DataFrames

I think it may be easiest to do this conversion in your own program after using readtable: using DataFrames #Make some canned data instead of reading from a table df = DataFrame(datestring = ["12 Apr 1996", "05 Aug 2015"], moneystring = ["\$12.75", "\$0.69"]) df[:date] = Date() df[:money] = 0.0

[julia-users] Path to module in Atom IDE

Dear Julia users, I just switched to atom IDE from Juno. I am puzzled by one thing. As in Juno, I first cd(myDir) to move to the directory where I have the files for the module I am developing. In Juno I could then just type using myModule to load it but in Atom I now only get LoadError:

[julia-users] Disable ESS-mode in emacs

Hi emacs users, is there a way to disable ESS[Julia] in emacs? I'd like to use julia-mode without invoking ESS. ESS is installed globally on my system, but I don't have root rights to uninstall it.

[julia-users] why does @eval (a=b) set a global variable?

If I have the following function: function foo(k,v) @eval ($(symbol(k))=$v) println(bar) end and I call it with: foo("bar", 5) then the global variable bar is set to 5 and the function prints 5. Is there any way to make @eval set a local variable inside foo instead? (I tried

[julia-users] Re: Help on performance issues

Jason, very interesting reading. I'll have to go through that a few more times though ;-) If anybody is interested, I ended up coding the whole Kakuro solver in Python 3. It will take 0.1 seconds (measured on my not-so-recent laptop) for a regular 9x9 puzzle, or 0.5 seconds for the one I

Re: [julia-users] Re: Re: are array slices views in 0.4?

There’s no way this transition is going to be smooth without work from package devs to ensure compatibility anyway, but recent history (e.g. the Tuplocalypse) shows that packages recover quite rapidly due to the automated testing done by PkgEval.jl. Thus, packages with decent test suites

[julia-users] Re: obtain T from Ptr{T} at runtime

julia> eltype(Ptr{Float64}) Float64 Den tisdag 3 november 2015 kl. 07:51:43 UTC+1 skrev Petr Hlavenka: > > Hi, > is there a way to obtain a type T from a Ptr{T}, e.g. get UInt32 from > Ptr{UInt32}. > > I'm trying to fix NIDAQ for 0.4 (tupplecalypse) > > This is needed if I have a signature of a

Re: [julia-users] Re: Re: are array slices views in 0.4?

Why not do this via Compat.jl ? C On Tuesday, 3 November 2015 04:28:44 UTC, David Anthoff wrote: > > No, Compat generall ports the new syntax back to old versions. What I'm > suggesting is quite different, namely that in julia 0.5 if you just use > `[]` for slicing without anything else, you

[julia-users] Path to module in Atom IDE

Hm, command palette just says "no match found" and even if I type it nothing changes. Also, 1) if I have a file outside the module folder, can I load it somehow by providing a path? and 2) I quite like hydrogen, does it work the same way to load a module with Julia Client: etc?

RE: [julia-users] Re: Re: are array slices views in 0.4?

The `using OldArrays` approach would essentially require an opt-in from everyone before julia 0.5 is released, i.e. an opt-in action from all package devs, right? The danger there seems that I update to julia 0.5, but now I have no clue whether all the packages I rely on have either a) made

[julia-users] Immutable storage

immutable Bird height::Float32 end immutable Cage bird::Bird end function catch(some_bird::Bird, some_animal) new_bird = Bird(10.2) c = Cage(b) ... new_bird end catch(b,b) 1. When are immutable values boxed? Is new_bird a boxed value? What about `some_bird` and

[julia-users] has anyone implemented minimax function approximation with BigFloats?

Has anyone implemented minimax (or near minimax) function approximation over a given interval using BigFloats?

[julia-users] Here is a new one...

2015-11-02 12:07:38.737 julia[34306:196259] setCanCycle: is deprecated. Please use setCollectionBehavior instead 2015-11-02 12:07:38.747 julia[34306:196259] setCanCycle: is deprecated. Please use setCollectionBehavior instead Huh? Probably came from MAT.

Re: [julia-users] Re: Re: are array slices views in 0.4?

Python's from __future__ import division was a reasonable way of transitioning. I would use it for slicing if it was available already. On Monday, November 2, 2015 at 2:46:04 PM UTC-5, David Anthoff wrote: > > The `using OldArrays` approach would essentially require an opt-in from > everyone

RE: [julia-users] Re: Re: are array slices views in 0.4?

Yes, I like that kind of idea. How about specifically: - If a package does nothing, every use of `[]` for slicing throws a deprecation warning on julia 0.5 - If you use `using OldArrays` the deprecation goes away, and you get the julia 0.4 behavior (maybe this options is actually not even

[julia-users] Re: Here is a new one...

Actually, it probably came from one of PyPlot, PyCall or dependencies within conda Python. The first time, Julia crashed big time. I reinstalled Julia and all packages. Everything runs despite the deprecation warnings. On Monday, November 2, 2015 at 12:09:23 PM UTC-8, le...@neilson-levin.org

Re: [julia-users] Disable ESS-mode in emacs

Probably (add-to-list 'auto-mode-alist '("\\.jl\\'" . julia-mode)) should do it, though I'm not sure what the advantage would be. Best, Ista On Mon, Nov 2, 2015 at 10:05 AM, Asbjørn Nilsen Riseth wrote: > Hi emacs users, > > is there a way to disable ESS[Julia] in emacs?

[julia-users] Re: Here is a new one...

I see the same thing when using matplotlib (via Julia OR python) on OSX when using a GTK backend.

[julia-users] obtain T from Ptr{T} at runtime

Hi, is there a way to obtain a type T from a Ptr{T}, e.g. get UInt32 from Ptr{UInt32}. I'm trying to fix NIDAQ for 0.4 (tupplecalypse) This is needed if I have a signature of a function (demonstration example from base, in real NIDAQ package there is huge C header processed by Clang.jl)

Re: [julia-users] Anaconda Python

> > This is a bit of an attitude issue that got me "off". The matplotlib > maintainers have no such obligation. Neither does Anaconda. Please stop, this whole discussion is ridiculous, especially the "forking" nonsense. Conda will update their Matplotlib version in good time. Dealing with

[julia-users] Re: Help on performance issues

I decided to write a blog post based on the Kakuro puzzle solver problem from this thread: http://squishythinking.com/2015/11/02/optimizing-kakuro-in-julia/ On Wednesday, October 21, 2015 at 7:08:35 PM UTC-4, Jason Merrill wrote: > > I got interested in trying to optimize this problem even

[julia-users] error: haskey of NULL PyObject ?

Does running Pkg.build() change anything?

[julia-users] Sundials question

Hi list I have a question related to SunDials.jl We are building a model for which we currently have a function that takes in two objects of custom types (c::Community and p::Parameters). We'd like to move the code to Sundials, but we're not sure about the best way to do it. Currently, we

Re: [julia-users] Why does setting ENV["TZ"] in the REPL behave differently?

That seems like the right way. We should probably have an official API for that. On Mon, Nov 2, 2015 at 10:44 AM, Josef Sachs wrote: > > On Mon, 2 Nov 2015 09:16:16 -0500, Josef Sachs said: > > > On Mon, 2 Nov 2015 08:56:05 -0500, Stefan Karpinski said: > >> Seems like

Re: [julia-users] Anaconda Python

The context is not clear. Is this regarding Conda.jl? On Mon, Nov 2, 2015 at 4:00 PM, wrote: > > I don't think you should support Anaconda Python. I realize it is > convenient. Providing a sort of private copy of Python and its packages > makes sense. It simplifies

[julia-users] Re: Anaconda Python

Somewhat more pointedly, this text banner greets on booting Continuum Python: Anaconda is brought to you by Continuum Analytics. Please check out: http://continuum.io/thanks and https://anaconda.org It sort of rubs me the wrong way...

[julia-users] Re: ANN: NearestNeighbors.jl

I put up a small illustration of how the Ball Tree recursively divides the points. Nothing fancy but I thought the plots where kinda cute. https://github.com/KristofferC/NearestNeighbors.jl/blob/master/examples/balltree_illustration.ipynb On Monday, November 2, 2015 at 10:21:02 PM UTC+1,

Re: [julia-users] Re: Anaconda Python

Conda.jl is a community contribution as a package, not part of the core language. Likewise it is not strictly required. It does make using PyCall significantly more convenient. Maybe you might consider making a Pip.jl package that does something similar? On Mon, Nov 2, 2015 at 4:18 PM,

[julia-users] Re: Anaconda Python

Yes. The practical problem is out of date packages and subtle incompatibilities between "system" installs of Python and the private one. I now use the "Julia" Python as my 2.7 version and a system Python from PSF for 3.5. Conda is limited to Python 3.4 and matplotlib 1.4.3. Conda et al will

[julia-users] Re: Anyone know how to get help with Jupyter?

I'm a fan of @show 5+5 @show 5+6 @show 5+7 because then its easy to associate the input and the output On Sunday, November 1, 2015 at 8:14:31 AM UTC+11, Cedric St-Jean wrote: > > Does > > display(5+5) > display(5+6) > display(5+7) > > work for you? I find it useful for displaying multiple

[julia-users] error: haskey of NULL PyObject ?

I am new to Julia and don't know how to deal with most error messages. Before I could just do using PyPlot and everything worked fine on my windows machine (Julia 0.4.0 repl). Then it broke (possibly due to Pkg.update()? I don't remember at this point.). So I looked up a few things and

[julia-users] Anaconda Python

I don't think you should support Anaconda Python. I realize it is convenient. Providing a sort of private copy of Python and its packages makes sense. It simplifies installation and maintenance of key Julia dependencies for users. I just don't think you should use Anaconda to do it.

Re: [julia-users] Re: Re: are array slices views in 0.4?

How is this different from the Compatibility module? Christoph On Monday, 2 November 2015 20:44:38 UTC, David Anthoff wrote: > > Yes, I like that kind of idea. How about specifically: > > > > - If a package does nothing, every use of `[]` for slicing throws a > deprecation warning on julia

[julia-users] Re: ANN: NearestNeighbors.jl

If it is a metric (obeys triangle inequality and the other good stuff) then the Ball Tree should be able to handle it. If you create an issue with some more information I could probably implement it. I want to also fix so that it should be easier to use your own arbitrary metrics but I might

[julia-users] Escher show pdf file

I guess this is for the future, but in case it’s easy and already here, I sure could use some kind of pdf viewing in Escher… So something like the image(path_to_image) -> tile from the Content API, only for a (local, in assets) pdf. Thanks for all the great work! A slow work around will be

[julia-users] help with a macro to stringize high precision floating point values

I have many values like 0.6584871727288045313850172023417636020375045372547107712468813403 that come from Maple and I would like to avoid doing this by copy/paste for each one: Float128(parse(BigFloat,"0.6584871727288045313850172023417636020375045372547107712468813403")) I tried writing a macro

Re: [julia-users] Re: typealias vs. const

Thanks, the results were interesting enough :) julia> expand(:(typealias A B)) :(begin const A A = B return B end) julia> expand(:(typealias A{T} B{T,1})) :((AST(:($(Expr(:lambda, Any[:T], Any[Any[Any[:T,:Any,0]],Any[],1,Any[]], :(begin const A

RE: [julia-users] Re: Re: are array slices views in 0.4?

I’m not sure what you refer to by “Compatability module”. From: julia-users@googlegroups.com [mailto:julia-users@googlegroups.com] On Behalf Of Christoph Ortner Sent: Monday, November 2, 2015 1:09 PM To: julia-users Subject: Re: [julia-users] Re: Re: are array

[julia-users] Path to module in Atom IDE

Hmm... Try these two things: 1.) Make sure Julia is running, e.g, cnrl+' (cmd+') and type 1+1 or something into the console. I think Julia has to be running to see the "Julia Client" commands. 2.) When you're sure Julia is running, make sure the file is active and not the console, i.e. click

[julia-users] Re: question about Hessian in ForwardDiff return InexactError()

Hi Tony: Thanks, but remember you asked. Your first request is answered by const dsts = 2 # dim( state vector ) which is set in the main file that calls to PF_RE_AR1_outer_alt.jl In PF_RE_AR1_outer_alt.jl, I set cs00V = eye(dsts) cs00V[2,2] = sigu*sigu/(1.0 - rho1*rho1) # this is

Re: [julia-users] Immutable storage

On Mon, Nov 2, 2015 at 3:17 PM, Cedric St-Jean wrote: > immutable Bird >height::Float32 > end > > immutable Cage >bird::Bird > end > > function catch(some_bird::Bird, some_animal) > new_bird = Bird(10.2) > c = Cage(b) > ... > new_bird > end > >

RE: [julia-users] Re: Re: are array slices views in 0.4?

Hi David, I'm not an expert, i.e. I've never used it, but your idea "using OldArrays" sounds exactly like the purpose of Compat.jl, which I believe is the compatibility module referred to. Have a look and good luck: https://github.com/JuliaLang/Compat.jl

[julia-users] Re: Anaconda Python

> Does winpython have a minimal core and a binary-only package management > system on top of it? Do they have binaries for the likes of scipy, > matplotlib, jupyter etc that work with pycall and ijulia? > Not very experimented with Python by WinPython seams perfect for me. No install, no

Re: [julia-users] Re: installing julia via cygwin

@Tony: Yeah I knew that, though the actual command Seth proposed ./xxx is what I was looking for: ./ for executables I didnt know :-( So now it seems to load in cygwin but when trying the Package thing I get this: julia> Pkg.status() INFO: Initializing package repository

[julia-users] Re: Anaconda Python

Oh man ... please keep supporting anaconda. As a windows user being stuck with easy_install haunts my dreams. Anaconda may be forkish, but at least windows is a first class citizen. So many open source projects make using Windows beyond painful. On Monday, 2 November 2015 13:00:51 UTC-8,

Re: [julia-users] Re: installing julia via cygwin

Julia 0.4 and earlier shell out to command line git for Pkg. If you haven't run `make win-extras binary-dist` then run the generated installer, then when you run Julia in cygwin it is trying to call cygwin's git which does not work. On Mon, Nov 2, 2015 at 3:13 PM -0800, "digxx"

[julia-users] Re: Sundials question

If you use the C interface and not the simplified interface you can pass an array of parameters to your lhs function. I found the best way to figure out how is to look at the code for how they made the `cvode` function (in Sundials.jl) to see how the C functions are being called and then look

Re: [julia-users] Re: question about Hessian in ForwardDiff return InexactError()

It might be a different kind of InexactError then. Try adding a @show on the rhs value, see what type it is. The array might need to be constructed in a way that it's capable of holding dual number element types. On Mon, Nov 2, 2015 at 3:18 PM -0800, wrote: Hi Tony:

RE: [julia-users] Anaconda Python

I looked into a non-conda solution when I tried to integrate a python setup into IJulia's setup (the effort was finally superseded by the Conda.jl package). pip had come a long way and would have worked for the case. I also think that wheels pretty much solve the binary distribution problem for

[julia-users] Re: Why does setting ENV["TZ"] in the REPL behave differently?

I'm not sure why this behaves differently. The now() function calls down to time_now() in libc, and while we do a setenv() when changing ENV, clearly that change is not reaching down to the relevant parts of libc. In terms of workaround, if you wanted UTC time, then `now(Base.Dates.UTC)` will

[julia-users] Julia license/patents possibly use "Universal Permissive License"?

First a question in the current [main] license: A. Is there some reason the MIT [Expat] license was used (other than maybe just the default for MIT people)? B. If it is just to be short and uncomplicated, the Universal Permissive License, I've just become aware of, also seems to fit the

[julia-users] Re: Julia license/patents possibly use "Universal Permissive License"?

One reason to stay with MIT License is that it has been in wide use for some time. The UPL is newer, and in these matters, there is quite a bit of import in subtle wording; experience clarifies. If you, or someone else wants to make the UPL rights available, just say e.g. (I am not a lawyer)

[julia-users] Re: ANN: NearestNeighbors.jl

Hi Kristoffer, Could one one possibly use this with a metric that effectively defines a torus? E.g., suppose my points are in (0,L) x (0, L) x (0, L) but a point x is identify with all other points x + Le1, x+Le2, etc .? Christoph

RE: [julia-users] Anaconda Python

I think there are wheels for all of these: http://pythonwheels.com/ > -Original Message- > From: julia-users@googlegroups.com [mailto:julia- > us...@googlegroups.com] On Behalf Of Tony Kelman > Sent: Monday, November 2, 2015 4:47 PM > To: julia-users >

Re: [julia-users] Re: installing julia via cygwin

Again Thx for you answer: But I dont quite get what you mean. I havent run this win-extras binary-dist though I just did. But it didnt change anything :-/ I have some executable in my Julia folder now: julia-0.4.1-pre-x86_64.exe Run it from shell by ./julia-0.4.1-pre-x86_64.exe will tell me:

Re: [julia-users] Re: installing julia via cygwin

So basically you mean I have to change the way julia0.4 wants to shell out? Telling him somehow to shell out to cygwin and not git via cygwin?

RE: [julia-users] Anaconda Python

There still aren't Windows wheels for numpy, scipy, or matplotlib on PyPI are there? You can't build SciPy from source on Windows in a way that works with python.org MSVC python without needing either the Intel compilers, or a custom patched build of mingw-w64 that only Carl Kleffner knows how

Re: [julia-users] Re: installing julia via cygwin

That created an installer, you need to run the installer to get a build of julia with everything in place for Pkg to work properly. There are manual ways of avoiding this step but it's a bit messy. On Mon, Nov 2, 2015 at 4:59 PM -0800, "digxx" wrote: Again Thx for

Re: [julia-users] Re: installing julia via cygwin

You just need the embedded copy of portable git to be in place and on julia's path before cygwin's git. The installer is the fewest steps to make sure that's set up properly. On Mon, Nov 2, 2015 at 5:02 PM -0800, "digxx" wrote: So basically you mean I have to change

RE: [julia-users] Anaconda Python

That site isn't very specific on platform differences. I only see mac wheels at https://pypi.python.org/pypi/numpy WinPython might work, though it's quite a large bundle and wouldn't help on mac or linux. It could be complemented by a pip interface package for unices, but if you want something

RE: [julia-users] Anaconda Python

Ah, interesting, I had been under the impression that numpy etc had windows wheels already, but clearly they are still working on that... I don't see the appeal of WinPython over conda, then you just swap out one alternative distribution over another one. > -Original Message- > From:

Re: [julia-users] Anaconda Python

You'd have to use home-brew or PSF Python for Mac (with pip). As I pointed out, I don't know what to suggest for different versions of Linux as the package manager repo's for the various distros are often very out of date. On Monday, November 2, 2015 at 5:29:44 PM UTC-8, Tony Kelman wrote: > >

RE: [julia-users] Re: Re: are array slices views in 0.4?

No, Compat generall ports the new syntax back to old versions. What I'm suggesting is quite different, namely that in julia 0.5 if you just use `[]` for slicing without anything else, you generate a warning, and then you have to opt-in to the NEW syntax. > -Original Message- > From:

[julia-users] errors with sun grid engine (SGE)

Can someone help me figure out how to get julia 0.4 working on my SGE computing cluster? I tried ClusterMangers, but it throws a lot of errors (that I list below). For what it is worth, I had it working a long time ago in julia 0.3 on this cluster, but I have deleted that installation and

RE: [julia-users] Anaconda Python

They are working on it, and making pretty good progress. See http://numpy-discussion.10968.n7.nabble.com/numpy-1-11-0-dev0-windows-wheels-compiled-with-mingwpy-available-td41422.html, especially Nathaniel Smith's explanation of some of the technical issues about upstreaming. Someone has to fork

Re: [julia-users] help with a macro to stringize high precision floating point values

Le lundi 02 novembre 2015 à 00:58 -0800, Jeffrey Sarnoff a écrit : > I have many values like > 0.6584871727288045313850172023417636020375045372547107712468813403 > that come from Maple and I would like to avoid doing this by > copy/paste for each one: >