Re: [julia-users] Ccalling structure const char *

2015-12-01 Thread Felix
Hi, thank you for your help. But it still doesn't work this way. Same error. Am Montag, 30. November 2015 20:32:15 UTC+1 schrieb Yichao Yu: > > On Mon, Nov 30, 2015 at 5:23 AM, Felix <felix...@gmail.com > > wrote: > > Hi, > > > > I can't seem to get a

[julia-users] Ccalling structure const char *

2015-11-30 Thread Felix
SCIIString} I hope there is an easy solution to this. I am not very skilled in C. Thanks, Felix.

[julia-users] large memory allocation in cholfact

2015-06-12 Thread Felix Henneke
hi, i have a problem with some finite element code, where i have to solve several sparse systems of equations. i noticed that solving the equations consumes a lot of memory. for the problems i consider i quickly run out of memory. interestingly the memory allocation is not captured by the

Re: [julia-users] Re: Is Julia ready for use in an undergraduate mathematical computing course?

2015-05-16 Thread Felix Schüler
I'm doing homework assignments in Julia for a machine learning class where we're free to choose the language and so far haven't had any problems. Also using the IJulia notebooks with PyPlot (which can be a bit slow at times, but the ease and intuitive use of Julia makes up for that). I think

Re: [julia-users] Julia users Berlin

2015-03-25 Thread Felix Jung
Sorry guys. Would have loved to come but can't make it on that date. If we make this a regular thing I'd be happy to participate in an active manner. Have fun, Felix On 25 Mar 2015, at 09:37, David Higgins daithiohuig...@gmail.com wrote: Both times are fine with me, I just need to change

Re: [julia-users] Julia users Berlin

2015-03-23 Thread Felix Schüler
I will be there. Felix On Monday, March 23, 2015 at 1:07:18 PM UTC+1, David Higgins wrote: Reservation made in the name of Higgins, for 7pm on Thursday. If anyone has trouble finding us they can call 01578 -4-30-50-44. St. Oberholz, Rosenthaler Straße 72A, 10119 Berlin I've booked for 8

Re: [julia-users] Re: Julia users Berlin

2015-03-22 Thread Felix Jung
Wow, cool stuff! On 22 Mar 2015, at 16:40, Simon Danisch sdani...@gmail.com wrote: Cool! I've just worked out the details and it seems that I can be available only the whole of Thursday (and earlier). If this fits we can try to organize something! Best, Simon Am Mittwoch, 25.

Re: [julia-users] Re: Julia users Berlin

2015-03-06 Thread Felix Jung
to). Hope this works out somehow. Felix On 05 Mar 2015, at 14:14, David Higgins daithiohuig...@gmail.com wrote: Hi all, Alex: I'm not around on those dates, but you should definitely go ahead and meet up there! I was thinking of probably using Meet-up to try to organise a Users Group

Re: [julia-users] Re: Julia users Berlin

2015-02-28 Thread jung . felix
Hi guys, I'm based in Berlin and have switched to Julia from R for my current research project (credit risk modelling) Humboldt University. I have about 1 year of experience with Julia. I'm interested in pretty much anything that's above entry level. Felix

[julia-users] Re: Julia users Berlin

2015-02-25 Thread Felix Schüler
Hi David, I just recently started using julia for my data-analysis tasks here at TU Berlin and the MPI. Would be glad to share some knowledge (of which I have very little until now)! Felix On Wednesday, February 25, 2015 at 2:35:13 PM UTC+1, David Higgins wrote: Hi all, I'm based

Re: [julia-users] Numerical precision of simple mathematical operations

2015-02-13 Thread jung . felix
of stuff in the future. Thanks again! Felix On Friday, February 13, 2015 at 4:07:41 AM UTC+1, Brian Harris wrote: Back in the day when we did a lot of fortran work, we had a compiler with a flag to make double precision variables become single precision or quad precision. There was also a flag

[julia-users] Numerical precision of simple mathematical operations

2015-02-12 Thread jung . felix
to a log-likelihood function, its gradient and its Hessian, but can't trust any of them at the moment, because they might compute to garbage . What's your experience with this sort of issue? Any advice on how to solve this problem? Thanks in advance, Felix

[julia-users] Re: cannot add any packages - Julia on Windows7 x64

2014-09-30 Thread Felix
Try Pkg.clone(https://github.com/JuliaLang/WinRPM.jl.git;) for WinRPM, it might fail because it needs Zlib so Pkg.clone(https://github.com/dcjones/Zlib.jl.git;) first. it worked for me on windows

[julia-users] the state of julia webstack

2014-03-10 Thread Felix
Am working on a particular problem that fit well in julia and will like to give it a web front end, julia is solving very interesting problem as we all know and like her for, but in providing tools for web/http IMHO I think is lacking, what I will like to know is will the juliawebstack[.org]

[julia-users] Re: the state of julia webstack

2014-03-10 Thread Felix
Great to know julia web stack is moving forward, more hacking then.

[julia-users] Re: build and install Julia in Mac OSX 10.8

2014-03-02 Thread Felix
Try make -C deps cleanall then make cleanall and make

[julia-users] Re: Julia as a General Purpose Language

2014-02-18 Thread Felix
I agree with you Dave, to make julia catch up it should not only be sold for technical computing but for web and other cli things, Julia is using the same event model node.js is using for networking so I thing when I comes to web is should offer the same to developers. and It plays nicer

[julia-users] Re: Multiple levels of parametric

2014-02-14 Thread Felix
why not use the abstract Test as the type for TI so you have something like function test{TI:Test,T:Associative{Symbol,Test}}(a::T, x::TI) end

[julia-users] Re: traits and generic programming in julia

2014-02-11 Thread Felix
I don't completely understand your question but will the little I can deduce from it, first your func1 returns 0, make it return x and then define another method, the + method which will look like +(a::ConcType, b::ConcType) = ConcType(a.attr+b.attr) now calling func2(foo) should return

[julia-users] Re: Question about failure in Pkg.update()

2014-02-11 Thread Felix
Comer how did you install ipython?

[julia-users] Re: Dictionary Key Type Question

2014-02-08 Thread Felix
I don't know if is a bug because your created a Dict from Integer keys to Integer values and inserted a value 1 with key 3 of type Int64, then another with 3 of type Int32 value 5 if your say julia d[3] 1 julia d[int32(3)] 5 maybe Dict has to do more check to see if the values for keys are

[julia-users] Re: If (in my system) Int is an alias for Int32, then why there is no Float alias for Float32/64?

2014-02-07 Thread Felix
to comply with the IEEE 754 standard http://en.wikipedia.org/wiki/IEEE_754-1985 On Thursday, February 6, 2014 9:47:07 PM UTC, Ismael VC wrote: julia type Patient age::Int height::Float end ERROR: Float not defined julia type Patient age::Int

[julia-users] Re: If (in my system) Int is an alias for Int32, then why there is no Float alias for Float32/64?

2014-02-07 Thread Felix
true; they should, but I guess to comply with the IEEE 754 standard http://en.wikipedia.org/wiki/IEEE_754-1985 so you can go for 64 or 32, they could have build in Float to detect the cpu arch type but there is a reason for not doing so.

Re: [julia-users] Re: If (in my system) Int is an alias for Int32, then why there is no Float alias for Float32/64?

2014-02-07 Thread Felix
Ismeal VC check the julia docs at http://docs.julialang.org/en/latest/ for the rest keep asking in this group someone will surely help you out. like look at a symbol as a safe string when you do something like sym = :hello you will always know sym is hello you can also use it as an expression

[julia-users] Re: Variable Explorer

2014-02-04 Thread Felix Boamah
I don't know matlab but if variable explorer is a view into all variables then yes in julia you can use whos function and for plotting Winston, pyplot ... google for more

[julia-users] Re: Variable Explorer

2014-02-04 Thread Felix
I this case I think you need to look into how whos() is implemented in base

[julia-users] Re: Does Julia support plotting?

2014-02-04 Thread Felix
As always when choosing a library to use; check the number of stars, forks, last update, number of issues open to close and good documentation; so try them all, it will help you make the right choice

[julia-users] Re: Variable Explorer

2014-02-04 Thread Felix
will make time to install and test it.

[julia-users] Re: no method errors from inner constructor

2014-02-04 Thread Felix
julia foo = Foo([1], [2], [bar]) ERROR: no method Foo{T,N}(Array{Int64,1}, Array{Int64,1}, Array{ASCIIString,1}) Without the inner constructor, an object is created no problem. julia foo = Foo{Int64, 1}([1],[2], [bar])

[julia-users] Build Errors on Mac OS 10.8.2

2014-01-25 Thread Felix Boamah
make always ends in something like this make[2]: *** [/Users/felixzilla/codebox/julia/usr/lib/libfftw3f.dylib] Error 1 make[1]: *** [julia-release] Error 2 make: *** [release] Error 2 always with a different .dylib Eror 1 some are install_name_tool: object: