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From: knutm@ifi.uio.no (Knut M|rken)
Newsgroups: comp.sys.mac.misc,comp.sys.mac.apps,sci.math.num-analysis
Subject: Re: Mathematica Help
Message-ID: <1990Dec10.072648.8657@ifi.uio.no>
Date: 10 Dec 90 07:26:48 GMT
References: <1990Dec8.021422.25821@athena.mit.edu>
Sender: knutm@ifi.uio.no (Knut M|rken)
Reply-To: knutm@ifi.uio.no (Knut M|rken)
Organization: Dept. of Informatics, University in Oslo, Norway
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In article <1990Dec8.021422.25821@athena.mit.edu>, cabruen@athena.mit.edu (Charles Alan Bruen) writes:
> 
> Hello netters,
> 
> 	I have two questions about Wolfram's Mathematica. I would
> appreciate any possible help available. 
> 
> 	(1) I have a list in Mathematica {{1,2}, {3,4}, ...} and I want
> 	to be able to output this into a text file (with no formatting) in
> 	standard two column format. I have studied the manual and have
> 	found no method. Alternatively is there a way to simply cut and paste
> 	it. I am using a Macintosh front end. Basically I need to get data from
> 	Mathematica into another program.
> 
> 	(2) I am interested in writing a control-theory program to help
> 	to teach the basics. I would like to know if anyone has accomplished
> 	written a shell on top of Mathematica (or Matlab) to utilize the
> 	commands from mathematica, but have a program in C or Fortran. I
> 	do not think that Mathematica's command splice will work. However, I
> 	could be mistaken.
> 
> 
> THank you very much for your time. It annoys me when people say to
> "email me" because i think the purpose of the net is for everybody to
> learn. So unless this is very dumb question  and you dont want to
> embaress me, please POST so the world can learn.
> 
> 
> -Charles Bruen
>  Aero/Astro MIT
>  cabruen@athena.mit.edu

Re (1). Try

  f=OpenWrite["filename", FormatType->OutputForm]
  Write[f, MatrixForm[list]]
  Close[f]

where filename is the name of the file you want to write to and list is the matrix
you want to write. 

NB! This gives a blank line between each row of the matrix.

Knut Morken
Institutt for informatikk
University of Oslo
Norway
Email:knutm@ifi.uio.no