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Re: export & import an expr

  • To: mathgroup at
  • Subject: [mg29330] Re: export & import an expr
  • From: Jens-Peer Kuska <kuska at>
  • Date: Thu, 14 Jun 2001 02:27:12 -0400 (EDT)
  • Organization: Universitaet Leipzig
  • References: <9g73t5$cej$>
  • Sender: owner-wri-mathgroup at


the file.dat include only the value of the variable 
and not the variable itself or an assigment to it.
If you save the *value* of m into file.dat with

m >> file.dat

you can read and assign it with


in you second notebook. It's a functional language
all things have a value, Get[] too.


umud.ozturk at wrote:
> Hi,
> I have a large matrix "m" that takes time to form it. Therefore I want to
> store it in a data file by such a command,
> Put[m,file.dat]
> Then when I want to use it in a new notebook,
> Get[m,file.dat]
> But I did not succeed to make operation using "m" variables. The m symbol
> was not assigned to the matrix. Since I don't want to display that large
> matrix after getting it, I prefer to use it by a symbol "m".
> It takes lots of time to try it with such a large matrix.
> Do you have any idea?
> Thanks lot.
> Umud.

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