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Re: [Help-glpk] large input data for glpk

From: Andrew Makhorin
Subject: Re: [Help-glpk] large input data for glpk
Date: Wed, 23 Dec 2009 08:49:37 +0300

> A question about read in a csv file that contains large constraint
> matrix. In the table document (/glpk/doc/table.pdf), it says that for
> a csv input file, each row is considered as a record and each column
> is a field. To read each field, each of the field name has to be
> specified, like in the example of:

> table data IN "filename": s <- [FROM, TO], d~DISTANCE, c~COST;

> My question is if the csv file has a large number of columns (like
> 10e5), it is impossible to specify each field name. In this case, is
> it a way to read in the entire constraint matrix?

Please see:

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