El lunes, 13 de abril de 2015, 5:56:05 (UTC-5), JKPie escribió:
>
> ok, here is the example:
>
> a = Array{Float32}[]
> push!(a,[1 2 3])
> push!(a,[4 5 4])
> push!(a,[7 8 9])
>
Try `a = [vcat(a...)]`
(I always forget this syntax... Maybe we need a convenience function for
this, e.g. `make_matrix`?)
This converts `a` into a more useful form:
julia> a
3x3 Array{Float32,2}:
1.0 2.0 3.0
4.0 5.0 4.0
7.0 8.0 9.0
which can now be `writedlm`ed and `readdlm`ed easily.
David.
> println(typeof(a))
> writedlm(joinpath(path,"text.txt"),a)
> b = readdlm(joinpath(path,"text.txt"))
> println(typeof(b))
> println(b[1,:])
>
> the result is:
>
> Array{Array{Float32,N},1}
> Array{Any,2}
> Any["Float32[1.0" 2.0 "3.0]"]
>
> and the same behawior here:
>
> a = {}
> push!(a,rand(5))
> push!(a,rand(3))
> push!(a,rand(7))
> println(typeof(a))
> writedlm(joinpath(path,"text.txt"),a)
> b = readdlm(joinpath(path,"text.txt"))
> println(typeof(b))
> println(b[1,:])
> println(typeof(b[1,1]))
>
>
> and the result:
>
> -
> -
> -
> -
>
>
> -
>
> -
>
> -
>
>
> cljs
>
>
>
> Array{Any,1}
> Array{Any,2}
>
> Any["[0.054008985630280115,0.8947273976690304,0.14961853234717193,0.999972895523733,0.8907801902141823]"]
>
> SubString{ASCIIString}
>
> in both cases I would like to have a method to write the data and next to
> read it and have it with the same structure and types
> (or just a function to process this substrings).
>
> J
>
>
>
> On Sunday, April 12, 2015 at 7:55:30 PM UTC+2, Mauro wrote:
>>
>> An example which can be copy-pasted would be helpful. M
>>
>> On Sun, 2015-04-12 at 16:47, JKpie <[email protected]> wrote:
>> > Hi,
>> >
>> > I am new Julia coder (I started to learn Julia two weeks ago). I have a
>> > problem with writedlm and readdlm functions.
>> > I have an array of vectors:
>> >
>> > Vector Array{Float32,N},4
>> >
>> > When I try to save it using writedlm to txt file and next read that
>> file
>> > using readdlm I obtain a matrix:
>> >
>> > Matrix Any, 4
>> >
>> > which contains four substrings like: "Float32[1,2,3..."
>> >
>> > so my question is: is there any simple way to convert that strings into
>> > arrays of floats?
>> >
>> > I also need to write and read files of Any type arrays which contains
>> float
>> > vectors of different lengths.
>> >
>> > Thank you very much for your help,
>> > J
>>
>>
