[julia-users] Installing julia nightly builds on Ubuntu 12.04

2014-02-17 Thread Uwe Fechner
ufechner@TUD277255:/usr/local/lib$ Any idea? Uwe Fechner, TU Delft, The Netherlands

Re: [julia-users] Re: Control system library for Julia?

2014-02-20 Thread Uwe Fechner
=FJmlt3_dOuA Best regards: Uwe Am 21.02.2014 00:24, schrieb Tony Kelman: Have a look here, https://github.com/jcrist/Control.jl is making better progress than anything else I've found in the topic. He has wrappers to Slicot as well. On Thursday, February 20, 2014 1:56:20 PM UTC-8, Uwe Fechner wrote

Re: [julia-users] Re: Control system library for Julia?

2014-02-21 Thread Uwe Fechner
more elegant (and in an open environment) that doesn't have to work around Matlab's limitations and Simulink's 10+ subtly-incompatible but still-in-common-use versions. On Thursday, February 20, 2014 4:08:54 PM UTC-8, Uwe Fechner wrote: Hi, this looks already promising. The important thing

[julia-users] Warning: imported binding for transpose overwritten in module __anon__

2014-02-23 Thread Uwe Fechner
problems later on? Plotting currently works for me (on one of my 5 machines) as long as I stick to the TkAgg backend. Best regards: Uwe Fechner

[julia-users] ProtoBuf library for Julia

2014-02-23 Thread Uwe Fechner
protobuf compiler, coder and decoder in Julia directly Any comments welcome. Uwe Fechner

Re: [julia-users] ProtoBuf library for Julia

2014-03-02 Thread Uwe Fechner
24, 2014 12:33:23 AM UTC+5:30, Uwe Fechner wrote: That's a good start. Perhaps the following file could be used as test case: https://bitbucket.org/ufechner/freekitesim/src/1df579321570a3c7fa2c157416f7326876bb9dda/asset/asset.system.proto?at=master Is there already a piece of code that can

[julia-users] Re: Example for using setfield ?

2014-03-07 Thread Uwe Fechner
) 5 julia foo Foo(5) On Friday, 7 March 2014 18:35:25 UTC-3, Uwe Fechner wrote: Ok, even if overloading the dot operator is not yet implemented I would be pleased if someone could provide an example how to use the setfield function. Uwe On Friday, March 7, 2014 10:20:51 PM UTC+1, Ivar

[julia-users] Example for using a PipeBuffer() ?

2014-03-08 Thread Uwe Fechner
Hello, I would like to convert the content of a pipebuffer int an array of Uint8. My code so far: iob = PipeBuffer(); write(iob, char(14)) writeproto(iob, pub.state) Now I want to print the content of iob as hex string for debugging. I can use bytes2hex to convert an array of

[julia-users] Re: Example for using a PipeBuffer() ?

2014-03-08 Thread Uwe Fechner
/base/iobuffer.jl, you can access iob.data to see the actual Uint8 array that backs a PipeBuffer. Just note that type fields is not considered part of the exported and (somewhat) stable interface. Ivar kl. 14:34:42 UTC+1 lørdag 8. mars 2014 skrev Uwe Fechner følgende: Hello, I would

[julia-users] Re: Example for using a PipeBuffer() ?

2014-03-08 Thread Uwe Fechner
UTC+1, Mike Innes wrote: names(Type) may be what you are looking for, e.g. names(Complex) = [:re, :im] On Saturday, 8 March 2014 14:41:47 UTC, Uwe Fechner wrote: Thanks, iob.data works. Is there a way in Julia to find out what are the field names of a Type, like the dir function

Re: [julia-users] Example for using a PipeBuffer() ?

2014-03-08 Thread Uwe Fechner
you are looking for, e.g. names(Complex) = [:re, :im] On Saturday, 8 March 2014 14:41:47 UTC, Uwe Fechner wrote: Thanks, iob.data works. Is there a way in Julia to find out what are the field names of a Type, like the dir function in Python

Re: [julia-users] Re: [First post] What IDE everyone uses?

2014-03-20 Thread Uwe Fechner
to work. I got the the follow: julia-studio-julia-0.3-compatibility/bin$ ./julia-studio.sh ./julia-studio.sh: 35: exec: ./JuliaStudio: not found On 03/19/2014 10:56 PM, Uwe Fechner wrote: Hi, Julia Studio for Julia 0.3beta is available here: https://github.com/forio/julia-studio

[julia-users] Julia syntax highlighting for gedit

2014-07-29 Thread Uwe Fechner
(\l, \L, \u, \U) are not allowed at this place.) Any idea how to fix this? Best regards: Uwe Fechner

Re: [julia-users] Julia syntax highlighting for gedit

2014-07-29 Thread Uwe Fechner
Thanks, this works already nicely! Best regards: Uwe On Tuesday, July 29, 2014 12:04:06 PM UTC+2, Milan Bouchet-Valat wrote: Le mardi 29 juillet 2014 à 02:46 -0700, Uwe Fechner a écrit : Hello, I am trying to teach gedit to understand the Julia syntax. I am using Ubuntu 12.04, 64

[julia-users] Re: GSoC: Julia IDE Progress update

2014-08-04 Thread Uwe Fechner
I tried both LightTable and JuliaStudio. LightTable is lacking an integrated console, which is a pity. But on the other hand you can evaluate single expressions in the code editor directly. The released version of JuliaStudio does not support Julia 0.3rc yet, so you have to compile it yourself,

[julia-users] 0.3 RC2 released - website not yet updated

2014-08-07 Thread Uwe Fechner
Hello, on the download web page (http://julialang.org/downloads/) there is still RC1 announced, but if you click on any of the download links you get the 0.3 RC2 version. Perhaps the web site should be updated. Best regards and thanks for the good work! Uwe

[julia-users] Calling julia functions from Python

2014-09-09 Thread Uwe Fechner
wrong? Best regards: Uwe Fechner

Re: [julia-users] Calling julia functions from Python

2014-09-09 Thread Uwe Fechner
, Sep 9, 2014 at 7:16 AM, Uwe Fechner uwe.fec...@gmail.com javascript: wrote: Hello, I have a function, that is running much faster in Julia then in Python. Now I want to call it from my (large) Python program. I tried to do this, using pyjulia from https://github.com/JuliaLang/pyjulia

Re: [julia-users] Calling julia functions from Python

2014-09-09 Thread Uwe Fechner
a pyjulia issue for this. Regards: Uwe On Tuesday, September 9, 2014 2:18:49 PM UTC+2, Uwe Fechner wrote: Ok, no exeption any more if I use j.call instead of j.run. But the result is wrong: import julia j=julia.Julia() In [3]: j.call(2+2) Out[3]: 49655584 Any idea? Uwe On Tuesday

Re: [julia-users] Re: Control system library for Julia?

2014-09-15 Thread Uwe Fechner
wouldn't have to cross a language boundary... Cheers, Andrew On Thursday, February 20, 2014 10:56:20 PM UTC+1, Uwe Fechner wrote: Hello, I could not find any control system library for Julia yet. Would that make sense? There is a control system library available for Python: http

Re: [julia-users] Re: Control system library for Julia?

2014-09-15 Thread Uwe Fechner
, but at least the implementation of the controller wouldn't have to cross a language boundary... Cheers, Andrew On Thursday, February 20, 2014 10:56:20 PM UTC+1, Uwe Fechner wrote: Hello, I could not find any control system library for Julia yet. Would that make sense

Re: [julia-users] Re: Control system library for Julia?

2014-09-15 Thread Uwe Fechner
://www.kitepower.eu/images/stories/publications/fechner12b.pdf U. Fechner and R. Schmehl, “Feed-Forward Control of Kite Power Systems,” Journal of Physics, 2014. http://iopscience.iop.org/1742-6596/524/1/012081 Uwe Fechner On Monday, September 15, 2014 3:44:21 PM UTC+2, Patrick O'Leary wrote: On Monday

Re: [julia-users] Re: Article on `@simd`

2014-09-17 Thread Uwe Fechner
Any idea when the vectorization of 64 bit double values will be supported? (I work a lot with 3D double vectors, they could be calculated with one command in the Haswell CPU's. ) On Wednesday, September 17, 2014 4:48:26 PM UTC+2, Arch Robison wrote: There is support in LLVM 3.5 for remarks

[julia-users] Re: a good IDE for Julia ? (Julia Studio does not work with Julia v 0.3.0)

2014-09-19 Thread Uwe Fechner
If you compile Julia Studio from source it should work with Julia 0.3. See: https://github.com/forio/julia-studio/issues/241 Regards: Uwe On Friday, September 19, 2014 10:58:26 AM UTC+2, Ján Dolinský wrote: Hello guys, After upgrading to Julia 0.3.0 Julia Studio stopped working (I changed

[julia-users] Re: a good IDE for Julia ? (Julia Studio does not work with Julia v 0.3.0)

2014-09-19 Thread Uwe Fechner
I think that this branch is already merged into the master branch: https://github.com/forio/julia-studio/tree/julia-0.3-compatibility On Friday, September 19, 2014 11:54:41 AM UTC+2, Uwe Fechner wrote: If you compile Julia Studio from source it should work with Julia 0.3. See: https

Re: [julia-users] Re: Article on `@simd`

2014-09-24 Thread Uwe Fechner
a way to turn it on for specially marked regions of code, or speed up how fast it can reject uninteresting code. On Wednesday, September 17, 2014 10:10:56 AM UTC-5, Uwe Fechner wrote: Any idea when the vectorization of 64 bit double values will be supported? (I work a lot with 3D double

Re: [julia-users] Gtk.jl not working on Ubuntu 12.04, 64 bits

2014-09-28 Thread Uwe Fechner
, just Pkg.add(Gtk) should be sufficient. --Tim On Sunday, September 28, 2014 02:42:36 AM Uwe Fechner wrote: Hello, I installed Gtk.jl as described at https://github.com/JuliaLang/Gtk.jl . Nevertheless, using Gtk fails: julia using Gtk ERROR: libgobject not defined

Re: [julia-users] Gtk.jl not working on Ubuntu 12.04, 64 bits

2014-09-28 Thread Uwe Fechner
it resides and what version number it has. Then see, if deps,jl is matching. On Sunday, September 28, 2014 2:15:47 PM UTC+2, Uwe Fechner wrote: I updated all Ubuntu packages, deleted the .julia folder and reinstalled Gtk, using Pkg.add(Gtk). Still the same problem. Any idea? Regards: Uwe

Re: [julia-users] Gtk.jl not working on Ubuntu 12.04, 64 bits

2014-09-28 Thread Uwe Fechner
: Is BinDeps generating a corrupt `deps.jl` file? Try deleting that and seeing if it works. On Sun, Sep 28, 2014 at 8:42 AM, Uwe Fechner uwe.fec...@gmail.com javascript: wrote: I found: ufechner@uwe-desktop64:/lib/x86_64-linux-gnu$ ls libgl* libglib-2.0.so.0 libglib-2.0.so.0.3200.4 The file

Re: [julia-users] Re: Control system library for Julia?

2014-09-28 Thread Uwe Fechner
://michaelrbernste.in/2013/06/03/real-time-garbage-collection-is-real.html https://lwn.net/images/conf/rtlws-2011/proc/Klotzbuecher.pdf Best regards: Uwe Fechner On Sunday, September 28, 2014 4:53:48 PM UTC+2, Steven Sagaert wrote: GC will always be non-deterministic. For hard real time you just need

Re: [julia-users] Re: Control system library for Julia?

2014-10-01 Thread Uwe Fechner
javascript: wrote: On Mon, Sep 29, 2014 at 4:21 PM, Uwe Fechner uwe.fec...@gmail.com javascript: wrote: Jeff Bezanson suggested in the following discussion ( https://github.com/JuliaLang/julia/pull/5227 ): It would be great to have the option to build with a low-pause GC for users who

[julia-users] Benchmarks for Julia 0.3x ???

2014-10-23 Thread Uwe Fechner
Hello, on the main Julia website there are still the benchmark results of Julia 0.2 published. Did anybody try to run these benchmarks with Julia 0.3x ? How does Julia 0.3 compare to Julia 0.2 and to the other programming languages? Best regards: Uwe

Re: [julia-users] Re: ERROR: no method getindex(Array{Any,1},ASCIIString)

2014-10-27 Thread Uwe Fechner
only on windows). On Tuesday, October 28, 2014 5:10:38 AM UTC+1, Iain Dunning wrote: Sorry, mistyped, meant to say It doesn't use an even close to recent... and so on. Basically: Julia Studio is stuck (forever?) on Julia 0.2 On Tue, Oct 28, 2014 at 12:05 AM, Uwe Fechner uwe.fec...@gmail.com

[julia-users] Re: Article on `@simd`

2014-10-29 Thread Uwe Fechner
Great news! On Tuesday, October 28, 2014 5:06:18 PM UTC+1, Arch Robison wrote: Update: The recent Julia 0.3.2 release supports vectorization of Float64.

Re: [julia-users] impressions and questions from a Matlab user

2014-11-24 Thread Uwe Fechner
You wrote: Just to be clear, it takes something like 3 seconds to load Julia, 26 seconds to load the PyPlot package. On my Linux Laptop from 2013 (i7-4800MQ CPU @ 2.70GHz, SSD) it takes less than 0.3 seconds to load Julia 0.3.2 and 7.3 seconds to load the PyPlot package. I am not sure if your

[julia-users] Re: Julia and Microsoft Visual Studio

2014-11-28 Thread Uwe Fechner
There is a pull request for supporting Julia within Spyder: https://bitbucket.org/spyder-ide/spyderlib/pull-request/71/julia-console-for-spyder/diff Es far as I understand the Spyder developers are waiting for IPython 3.0 before they integrate IJulia. You can also vote for the following issue:

[julia-users] Re: how work (sort, while, etc.) with Array{Any,2}:

2014-12-01 Thread Uwe Fechner
Can you provide the file data.txt? It is not clear to me which kind of data is converted into this kind of array. Uwe On Monday, December 1, 2014 12:50:18 PM UTC+1, paul analyst wrote: Some times in Char data is number like 1.4e26 below How to process such data? sort, etc., ... julia

Re: [julia-users] Rust and Julia - Together? Advice

2014-12-19 Thread Uwe Fechner
As far as I know they can talk to each other, as long as you use the same major version. Uwe On Friday, December 19, 2014 12:57:12 AM UTC+1, Eric Forgy wrote: Hi Jake, That is awesome. Thank you for sharing. I'll give it a try next time I'm in my (second) office. Assuming they work,

Re: [julia-users] very rough sketch of future release targets

2014-12-21 Thread Uwe Fechner
Perhaps the due dates the 0.4 projects and release should be increased by 6-12 months? On Sunday, December 21, 2014 1:49:47 AM UTC+1, Steve Kelly wrote: I think the closest thing is the GitHub milestones: https://github.com/julialang/julia/milestones On Sat, Dec 20, 2014 at 7:40 PM, ivo

[julia-users] Re: isa should be user friendlier

2015-02-17 Thread Uwe Fechner
eltype([1f0]) == Float32 is working, too. On Tuesday, February 17, 2015 at 8:39:05 PM UTC+1, Simon Danisch wrote: *eltype([1f0]) : Float32* should do the trick... Am Dienstag, 17. Februar 2015 17:03:12 UTC+1 schrieb J Luis: julia isa(1.0f0, Float32) true julia isa([1.0f0], Float32)

Re: [julia-users] Any hope for a printf() or sprintf() function instead of the macro?

2015-03-23 Thread Uwe Fechner
Doesn't using the following package solves this issue? https://github.com/lindahua/Formatting.jl On Monday, March 23, 2015 at 2:07:11 PM UTC+1, Milan Bouchet-Valat wrote: Le lundi 23 mars 2015 à 05:50 -0700, Daniel Carrera a écrit : Dear all, For me personally my biggest irritation

Re: [julia-users] Preferred Julian equivalent of C enums?

2015-03-01 Thread Uwe Fechner
Is there a way to use the new @enum macro in Julia 0.3 projects? Could it be added to Compat.jl? On Saturday, February 28, 2015 at 9:53:02 PM UTC+1, Jameson wrote: https://github.com/JuliaLang/julia/pull/10168 On Sat Feb 28 2015 at 3:45:31 PM Kirill Ignatiev kirill@gmail.com javascript:

Re: [julia-users] Re: Julia and Microsoft Visual Studio

2015-05-09 Thread Uwe Fechner
Well, only Visual Studio Code is available for Linux (and Mac). https://code.visualstudio.com/ This is quite different from Visual Studio and has a lot less features. Uwe Am 09.05.2015 um 14:03 schrieb Páll Haraldsson: On Monday, December 1, 2014 at 7:39:20 PM UTC, David Anthoff wrote:

[julia-users] WebGL with Julia?

2015-06-22 Thread Uwe Fechner
to create output, but does not yet support interactive input. For Julia, there is Escher.jl, but it does not (yet) support WebGL. Any suggestions? Uwe Fechner, TU Delft

[julia-users] Re: How to define an array of floating point numbers?

2015-08-18 Thread Uwe Fechner
Ok, the following definition works on Julia 0.4, but not with 0.3: FloatArray = Union{Array{Float32, 1}, Array{Float64, 1}} function sum(x::FloatArray). Any idea? Am Dienstag, 18. August 2015 11:07:16 UTC+2 schrieb Uwe Fechner: Hello, I want to write a function, that can operate on any one

[julia-users] Re: How to define an array of floating point numbers?

2015-08-18 Thread Uwe Fechner
Ok, the following works for 0.3 and 0.4: FloatArray = Union(Array{Float32, 1}, Array{Float64, 1}) Is this the best way to define an array of floating point numbers? Am Dienstag, 18. August 2015 11:22:50 UTC+2 schrieb Uwe Fechner: Ok, the following definition works on Julia 0.4

[julia-users] How to define an array of floating point numbers?

2015-08-18 Thread Uwe Fechner
Hello, I want to write a function, that can operate on any one dimensional array of floating point numbers. The following works, but only for Float64: function sum(x::Array{Float64,1}) The following does not work: function sum(x::Array{AbstractFloat,1}) Any idea? Uwe

Re: [julia-users] Re: How to define an array of floating point numbers?

2015-08-18 Thread Uwe Fechner
Thank's a lot, that is cool. Am Dienstag, 18. August 2015 11:29:44 UTC+2 schrieb Pontus Stenetorp: On 18 August 2015 at 10:22, Uwe Fechner uwe.fec...@gmail.com javascript: wrote: Ok, the following definition works on Julia 0.4, but not with 0.3: FloatArray = Union{Array{Float32, 1

[julia-users] Problems with docile on travis / conditional require?

2015-08-18 Thread Uwe Fechner
Hello, I solved my problems with Docile on my local machine (see: https://groups.google.com/forum/#!topic/julia-users/ukvwAI52u0Y ), but now it appears on travis: My pull request passes on Julia 0.3, but fails on Julia 0.4: https://github.com/mlubin/NaNMath.jl/pull/4 Here you can see the error

[julia-users] Re: ANN: JuliaGPU mailing list

2015-08-16 Thread Uwe Fechner
Hello, is there a reason, why only group members can read this group? The usual policy is, that everybody can read and only group members can post. Regards: Uwe Am Samstag, 15. August 2015 23:46:25 UTC+2 schrieb Pontus Stenetorp: Everyone, I have gradually been pushed towards GPU computing

[julia-users] Re: Julia nightlies

2015-08-18 Thread Uwe Fechner
. We should probably remove that link from our website. -viral On Tuesday, August 18, 2015 at 9:52:17 PM UTC+5:30, Uwe Fechner wrote: Hello, the nightly Julia builds from: https://launchpad.net/~staticfloat/+archive/ubuntu/julianightlies are currently quiet outdated. As far as I

Re: [julia-users] Creating a new version of a package

2015-08-23 Thread Uwe Fechner
to understand why Pkg.publish() fails. Uwe Am Samstag, 22. August 2015 19:42:25 UTC+2 schrieb Uwe Fechner: Well, it is not that easy. I did: Pkg.tag(NaNMath,:minor) which worked well. Pkg.pubish() did not work. First I had to do

Re: [julia-users] Re: What is the fastest way to perform 100k blocking IO operations in parallel?

2015-08-24 Thread Uwe Fechner
Did you try the DNS servers from Google, e.g. 8.8.8.8 ? I never saw a reply that needs more than one second. (Well, in our university network.) Am Montag, 24. August 2015 16:25:06 UTC+2 schrieb Seth: Name resolution delays are generally an issue with network latency. Trying to resolve 1000

Re: [julia-users] Re: Julia nightlies

2015-08-20 Thread Uwe Fechner
those for a while, but it is worth checking if those are current. On Wed, Aug 19, 2015 at 8:09 AM, Yakir Gagnon 12.y...@gmail.com wrote: OK, I'm gonna git pull make then. That's the only way, right? On Wednesday, August 19, 2015 at 4:54:05 AM UTC+10, Uwe Fechner wrote: Well, removing

[julia-users] Re: Strange error when using docile on 0.3

2015-08-17 Thread Uwe Fechner
will be the preferred way to document things going forward anyway after 0.4 is released, unless you need to do more complex documentation tasks. — Mike On Monday, 17 August 2015 17:05:52 UTC+2, Uwe Fechner wrote: Hello, I tried to add documentation to a function of a package

[julia-users] Re: Strange error when using docile on 0.3

2015-08-17 Thread Uwe Fechner
I have to correct myself. It works now on 0.4, on 0.3 I get: help? nm.sum INFO: Loading help data... sum (generic function with 1 method) julia Not exactly what I want. Am Montag, 17. August 2015 17:58:01 UTC+2 schrieb Uwe Fechner: Thanks for the quick response. I tried to use a bare

[julia-users] Strange error when using docile on 0.3

2015-08-17 Thread Uwe Fechner
with the same name as a function in base in a package? Any hints welcome. Uwe Fechner

[julia-users] Re: Julia nightlies

2015-08-19 Thread Uwe Fechner
:54:05 AM UTC+10, Uwe Fechner wrote: Well, removing the link from the website does not help with the travis failures: https://travis-ci.org/mlubin/NaNMath.jl/jobs/76114115 Regards: Uwe Am Dienstag, 18. August 2015 18:46:31 UTC+2 schrieb Viral Shah: Elliot has been busy lately, and this has

[julia-users] Julia nightlies

2015-08-18 Thread Uwe Fechner
Hello, the nightly Julia builds from: https://launchpad.net/~staticfloat/+archive/ubuntu/julianightlies are currently quiet outdated. As far as I understand they should be auto-generated every night from the head branch of the Julia repository. This seams to be currently broken. Any idea,

Re: [julia-users] Julia nightlies

2015-08-19 Thread Uwe Fechner
); Pkg.test(MyPackage; coverage=true)' Am 19.08.2015 um 09:19 schrieb Uwe Fechner uwe.fec...@gmail.com javascript:: Ok, our current .travis.yml file looks like this: language: cpp compiler: - clang notifications: email: false env: matrix

[julia-users] Re: Strange error when using docile on 0.3

2015-08-17 Thread Uwe Fechner
/en/stable/manual/ for details. — Mike -- MikeOn Monday, 17 August 2015 18:06:45 UTC+2, Uwe Fechner wrote: I have to correct myself. It works now on 0.4, on 0.3 I get: help? nm.sum INFO: Loading help data... sum (generic function with 1 method) julia Not exactly what I want. Am Montag

Re: [julia-users] Creating a new version of a package

2015-08-22 Thread Uwe Fechner
Well, it is not that easy. I did: Pkg.tag(NaNMath,:minor) which worked well. Pkg.pubish() did not work. First I had to do: git config --global github.user ufechner7 which worked fine. Than I had to do: Pkg.add(JSON) It would be nice if the error message of the missing JSON package would

Re: [julia-users] Creating a new version of a package

2015-08-22 Thread Uwe Fechner
of that works, then go back to the GitHub page for your fork, and click the “pull request” link. But I still would like to understand why Pkg.publish() fails. Uwe Am Samstag, 22. August 2015 19:42:25 UTC+2 schrieb Uwe Fechner: Well, it is not that easy. I did: Pkg.tag(NaNMath,:minor) which

[julia-users] Creating a new version of a package

2015-08-22 Thread Uwe Fechner
Hello, I was invited to tag a new version of the package NaNMath.jl . https://github.com/mlubin/NaNMath.jl Does anyone know, how to do this? Best regards: Uwe Fechner

Re: [julia-users] Creating a new version of a package

2015-08-22 Thread Uwe Fechner
/latest/manual/packages/ It works for 0.3 as well as 0.4. t Le 2015-08-22 12:20, Uwe Fechner uwe.fec...@gmail.com javascript: a écrit : Hello, I was invited to tag a new version of the package NaNMath.jl . https://github.com/mlubin/NaNMath.jl Does anyone know, how to do this? Best

[julia-users] Re: PSA: Changes to Base Docstrings

2015-08-08 Thread Uwe Fechner
Hello, what does PSA in the title mean? Wikipedia didn't help: https://en.wikipedia.org/wiki/Psa Uwe Am Sonntag, 2. August 2015 21:22:03 UTC+2 schrieb Mike Innes: Hi All, As of #11943 https://github.com/JuliaLang/julia/pull/11943, Julia uses the shiny new doc system to provide help for

[julia-users] Re: Communicate thru COM Ports (Serial)

2015-10-29 Thread Uwe Fechner
Did you try: https://github.com/rennis250/Arduino.jl On Thursday, October 29, 2015 at 1:49:32 PM UTC+1, endowdly wrote: > > I'd like to read and write text and strings (STDIN and STDOUT) via COM1 or > COM2 (standard baud rates). > > Short story short, I'd like to control one or two systems with

Re: [julia-users] Re: Julia garbage collection - question on status and future (and interaction when using with other languages)

2015-10-24 Thread Uwe Fechner
You wrote: "... note that `malloc/free` are not hard real time either, you basically cannot have any sort of memory allocation for that. " It is an old myth, that you cannot have any memory allocation for hard real-time applications. For me, and probably also for other people who do real-time

[julia-users] Re: Very poor performance on Linux

2015-08-26 Thread Uwe Fechner
Can you tell a little bit more about your machine? Which CPU? How much RAM? Which Linux version? Uwe Am Mittwoch, 26. August 2015 17:12:48 UTC+2 schrieb Chris: Hello, I recently got access to a new Linux machine, and I've been trying to run some of my code there. I tried downloading a

[julia-users] Re: [ANN] Conda.jl: using conda package manager for Julia

2015-09-02 Thread Uwe Fechner
Julia does have a very good internal package manager, that can also install binary dependencies cross-platform. Why would you want to add another package manager? Am Dienstag, 1. September 2015 14:42:31 UTC+2 schrieb Luthaf: > > Hi Julians! > > I am happy to present you the Conda.jl >

Re: [julia-users] PyPlot does not work with Julia Version 0.4.0-rc1+5

2015-09-10 Thread Uwe Fechner
Plot Any idea? Am Donnerstag, 10. September 2015 18:20:52 UTC+2 schrieb Mauro: > > Works for me. The error suggests that matplotlib doesn't work. Can you > import in python itself? > > $ python > > >>> import matplotlib > > On Thu, 2015-09-10 at 18:

[julia-users] PyPlot does not work with Julia Version 0.4.0-rc1+5

2015-09-10 Thread Uwe Fechner
84 in _require_from_serialized at ./loading.jl:109 in require at ./loading.jl:186 during initialization of module PyPlot julia> Any idea? Uwe Fechner

[julia-users] Re: PyPlot does not work with Julia Version 0.4.0-rc1+5

2015-09-10 Thread Uwe Fechner
I tried it also with Julia 0.3.11. Same error. If I use ipython, import matplotlib works fine. In [2]: matplotlib.__version__ Out[2]: '1.4.3' In [3]: I used conda on ubuntu 14.04, 64 bit to install matplotlib. Am Donnerstag, 10. September 2015 18:06:30 UTC+2 schrieb Uwe Fechner: > >

[julia-users] Re: PyPlot does not work with Julia Version 0.4.0-rc1+5

2015-09-10 Thread Uwe Fechner
0 in include_from_node1 at ./loading.jl:271 in require at ./loading.jl:210 during initialization of module PyPlot while loading /home/ufechner/.julia/v0.4/PyPlot/src/PyPlot.jl, in expression starting on line 653 Any idea? Uwe Fechner Am Donnerstag, 10. September 2015 18:51:32 UTC+2 schr

Re: [julia-users] Re: IDE for Julia

2015-09-14 Thread Uwe Fechner
Well, Gambas for example: https://en.wikipedia.org/wiki/Gambas Am Montag, 14. September 2015 14:54:27 UTC+2 schrieb Sheehan Olver: > > Are there any open source languages with a "good" native IDE? > > I think IDEs are probably too painful to develop unless paid to do so.. > > > On 14 Sep 2015,

[julia-users] Re: IDE for Julia

2015-09-14 Thread Uwe Fechner
While I understand your point, the success of a new programming language depends on the availability of a good IDE. Apart from the projects, mentioned so far I also want to mention spyder. Integrating Julia support would be easy and it would make the transition for Python users easier. Not

[julia-users] 0.4 enters stabilizing period

2015-09-09 Thread Uwe Fechner
Hello, there are no more issues blocking the 0.4 release. https://github.com/JuliaLang/julia/milestones/0.4.0 Hooray! Waiting for the release candidate. Uwe Fechner, TU Delft

Re: [julia-users] Re: IDE for Julia

2015-09-18 Thread Uwe Fechner
I like QT a lot. There is more then one open source, QT based IDE out there, e.g. QT Creator. QT has a GUI builder, that is much better then the GUI builders for GTK (in my opinion). And you can use the java-script like QML language for building the user interface, if you want to. Tutorial for

Re: [julia-users] Re: IDE for Julia

2015-09-23 Thread Uwe Fechner
efore Julia 0.5. With "available by default" I mean, that a pre-compiled version of Julia can be used. Am Mittwoch, 23. September 2015 12:46:21 UTC+2 schrieb Páll Haraldsson: > > Sorry, kind of of-topic for the thread, mostly about Cxx.jl/C++: > > On Friday, September 18,

Re: [julia-users] Re: IDE for Julia

2015-09-23 Thread Uwe Fechner
sday, September 23, 2015 at 11:30:45 AM UTC, Uwe Fechner wrote: >> >> Keno's Cxx.jl " currently requires the head version of LLVM. This is >> fragile, but furthermore the compilation with >> the newest version of LLVM is very slow. >> > >

[julia-users] Re: Crowdsourced Julia development

2015-09-25 Thread Uwe Fechner
I just created a bounty for implementing a low latency garbage collector: https://www.bountysource.com/issues/5020251-implement-a-low-latency-incremental-garbage-collector Uwe Am Freitag, 25. September 2015 17:31:11 UTC+2 schrieb Jonathan Malmaud: > > $5 to the first person to take transposes

Re: [julia-users] Re: IDE for Julia

2015-09-21 Thread Uwe Fechner
liaStudio was a nice start (also based on > QtCreator). I wish a group would fork it and develop it further in the > direction of RStudio. > > On Friday, September 18, 2015 at 10:08:23 AM UTC+2, Christof Stocker > wrote: >> >> I would be a huge fan of an RStudio like Julia

Re: [julia-users] Re: IDE for Julia

2015-09-21 Thread Uwe Fechner
On their homepage they say: "As a desktop replacement for Julia Studio, Forio recommends Juno <http://www.junolab.org>" Uwe Am Montag, 21. September 2015 18:49:13 UTC+2 schrieb Daniel Carrera: > > How do you know they are not interested? > > On 21 September 2015 at

[julia-users] Re: Optimal Control using Dynamic Programming

2015-09-25 Thread Uwe Fechner
Hello, as far as I know, there is no ready-made package for optimal control. There is one package on control design: https://github.com/JuliaControl/Control.jl And there are a lot of packages for solving optimization problems. Could you be a little bit more specific about your problem? How do

[julia-users] Re: ANN: POSIXClock - writing hard real-time Julia code

2016-06-06 Thread Uwe Fechner
I am very happy about your work. I had the hope, that the built-in method sleep could be improved to reach this level of performance: https://github.com/JuliaLang/julia/issues/12770 But perhaps it is better to have this in a separate package. Uwe On Monday, June 6, 2016 at 10:07:22 AM UTC+2,

[julia-users] Re: Julia Plugins

2016-06-06 Thread Uwe Fechner
Well, you can load modules on demand in the following way (in this way I load the module PyPlot on demand): eval(Expr(:using, :PyPlot)) To load a module from any path, push the directory, where you module lives into the load path: cd("/home/ufechner/00PythonSoftware/FastSim") push!(LOAD_PATH,

[julia-users] Re: Using Julia for real time astronomy

2016-05-30 Thread Uwe Fechner
I think, that would be difficult. As soon as you use any packages for image conversion or estimation you have to assume that they use dynamic memory allocation. The garbage collector of Julia is fast, but not suitable for hard real-time requirements. Implementing a garbage collector for hard

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

2016-06-17 Thread Uwe Fechner
Hello, I installed Documenter and followed the tutorial. Now I would like to convert the documentation in html WITHOUT deploying it to github. How can I do this? Uwe On Friday, June 17, 2016 at 11:07:26 AM UTC+2, Michael Hatherly wrote: > > I’m please to announce the initial release of

[julia-users] Re: FFT speed much slower than Octave

2016-06-18 Thread Uwe Fechner
For a fair comparison, the Julia function rfft() should be compared with the Octave function fft2(). Both do a 2-D transform. I don't see any significant differences between Julia (with 2 threads) and Octave. Perhaps the discussion can be continued on github:

[julia-users] ERROR: LoadError: __precompile__(true) but require failed to create a precompiled cache file

2016-06-27 Thread Uwe Fechner
julia> Any idea, how to fix this? Uwe Fechner

Re: [julia-users] Scalar and array version of a function

2016-02-28 Thread Uwe Fechner
Thank's a lot! My code looks now like this: const Z_REF = 10.0# reference height for wind profile law const ALPHA = 0.23375 # exponent of the wind profile law for Cabauw """ calcWindAtHeight(v_wind_gnd, z) Calculate the average wind speed for the given ground wind speed `v_wind_gnd` at a

Re: [julia-users] Re: Non-uniform interpolation in 1D

2016-02-28 Thread Uwe Fechner
rpolate((P_NOM,), ETA, Gridded(Linear())) # You pass the > x-values as a tuple, since this generalizes to multi-dimensional coordinates > println(itp[3.5]) > > x = linspace(1.5, 14.9, 1024) > y = itp[x] > > plot(x,y) > > > > On Saturday, February 27, 2016

[julia-users] Scalar and array version of a function

2016-02-28 Thread Uwe Fechner
quot; function calcWindAtHeight(v_wind_gnd, Z::AbstractArray) result = similar(Z) for i in eachindex(Z) result[i] = calcWindAtHeight(v_wind_gnd, Z[i]) end result end Is this good programming style? Could it be improved? Regards: Uwe Fechner

[julia-users] Non-uniform interpolation in 1D

2016-02-27 Thread Uwe Fechner
t is shown at the end of this posting. How can I port this to Julia? I am trying to use the package "Interpolations.jl", but I do not see any example, that shows the interpolation on a non-uniform grid. For now I need only linear interpolation, but I want to use B-Splines later. Any hi

Re: [julia-users] Re: Non-uniform interpolation in 1D

2016-02-27 Thread Uwe Fechner
have Fortran available. Best regards: Uwe On Saturday, February 27, 2016 at 3:58:11 PM UTC+1, Yichao Yu wrote: > > > > On Sat, Feb 27, 2016 at 9:40 AM, Uwe Fechner <uwe.fec...@gmail.com > > wrote: > >> Hello, >> >> I don't think, that this works on a no

Re: [julia-users] Custom type to store scalars and vectors

2016-03-13 Thread Uwe Fechner
at does not seem to > make sense for your case. > > Also, you might wish to be a little more specific with your types. > "Number" is very general, and might also be a complex number for > instance. Judging from your variable names, AbstractFloat would probably > b

Re: [julia-users] Custom type to store scalars and vectors

2016-03-13 Thread Uwe Fechner
project in projects] > > or to get a vector in case you are only interested for one specific > parameter of each project > > [project.rel_drum_diameter for project in projects] > > hope that helps > > > Am 13.03.2016 um 15:12 schrieb Uwe Fechner: > > Thanks for

Re: [julia-users] QML (Qt5) binding for Julia (GSOC?)

2016-03-14 Thread Uwe Fechner
Well, I am not an expert on QML, but as far as I understand, QML is mainly for writing GUIs, whereas the QT library contains a lot of functions for a lot of other tasks. What Julia is missing is mainly an easy to use GUI toolkit, and QML could play that role. Implementing a Julia - QML binding

Re: [julia-users] QML (Qt5) binding for Julia (GSOC?)

2016-03-14 Thread Uwe Fechner
On Monday, March 14, 2016 at 8:01:01 PM UTC+1, Uwe Fechner wrote: > > Hello, > > perhaps I could become mentor of such a project? > At least I know a little bit of Julia and a little bit of QML. > > I am currently implementing optimizations and simulations > in Julia, and

Re: [julia-users] QML (Qt5) binding for Julia (GSOC?)

2016-03-14 Thread Uwe Fechner
be expected for a mentor? Regards: Uwe Fechner, TU Delft On Monday, March 14, 2016 at 2:23:32 PM UTC+1, Maurice Diamantini wrote: > > > > Le lundi 14 mars 2016 13:24:13 UTC+1, Uwe Fechner a écrit : > > >> What Julia is missing is mainly an easy to use GUI toolkit, and QML

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