Re: exporting an array
- To: mathgroup at smc.vnet.net
- Subject: [mg113796] Re: exporting an array
- From: Thomas Dowling <thomasgdowling at gmail.com>
- Date: Sat, 13 Nov 2010 00:59:15 -0500 (EST)
Hello,
I am not sure I fully understand what you want.
Perhaps something like the following?
b = Table[b1[i], {i, 1, 200}];
newmat = (n = 1;
Map[{ n++, #} &, b]);
Dimensions[newmat]
Out[85]= {200, 2}
To Export:
Export["new.txt", newmat]
Tom Dowling
On Thu, Nov 11, 2010 at 11:09 AM, nt <sagittarius5962 at gmail.com> wrote:
> Hi,
>
> I have a question on how to export a matrix. My code generates a
> vector of dimension (200 X 1), and I define:
>
> b = Table[b1[i] /. solution, {i, 1, 200}];
>
> I want to assign counters to these values, and have 1,2,3,.....,200 as
> the first column. Finally I want to export this (200 X 2) matrix to a
> file. I tried the following but they don't work:
>
> Export["file.txt", {i, 1, 2000}, b];
> Export["file.txt", i, b];
>
> I would appreciate it if anyone could suggest a way to do this.
>
> Thanks
> nt
>