Re: saving a list.
- To: mathgroup at smc.vnet.net
- Subject: [mg18949] Re: saving a list.
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Fri, 30 Jul 1999 01:33:42 -0400
- Organization: Universitaet Leipzig
- References: <7nlolp$bam@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi Dave,
in Mathematica 4.0 you can say
cc = {{1, 2.7}, {2, 1.9}, {3, 3.0}}
In[5]:=
Export["~/tmp/mat.dat", cc, "Table"]
Out[5]=
"~/tmp/mat.dat"
In[6]:=
!! ~/tmp/mat.dat
1 2.7
2 1.9
3 3.
in Mathematica 3.0.x it is a bit more complicated
look at
http://support.wolfram.com/Kernel/Files/WriteMatrix3.html
Hope that helps
Jens
Dave Berube wrote:
>
> I am writing a program that inputs 2 lists of numbers each with two
> columns, and creates a 3rd list also with two columns.
>
> For Example, lets say that the files file.txt and file2.txt look like this:
>
> file.txt file2.txt
>
> 1 1.5 0 3.6
> 2 4.6 2 1.9
> 3 6.8 6 4.2
>
> I can read them into Mathematica with ReadList
> A = ReadList["file.txt", {Number, Number}]
> B = ReadList["file2.txt", {Number, Number}]
>
> then I do all my operations that I need to do on them and come up with a
> two column matrix C.
>
> In plain old Mathematica form it looks like, say,
>
> C = {{1, 2.7}, {2, 1.9}, {3, 3.0}}
>
> But I want to get a file, call it file3.txt, that contains just 2 columns,
> like file.txt and file2.txt.