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Re: Octave beginner-reading info from text file


From: Jordi Gutiérrez Hermoso
Subject: Re: Octave beginner-reading info from text file
Date: Tue, 14 Dec 2010 17:09:48 -0600

On 14 December 2010 04:16, Zamuel <address@hidden> wrote:
> Matrices can exist where ever in a file but they always start with following
> lines:
> # name: /HOME/AUTO/MEASUREMENT/B
> # type: matrix
> # rows: 25
> # columns: 778
> -1798.95 -1319.203 -839.456 -365.3882 93.78099 552.9503 ...

This is Octave's text format. You can read it with the load function.

> Alternatively the same file contains same info in a string form:
>
> $VAR1 = {
>          'name' => '/HOME/AUTO/MEASUREMENT/',
>          'data' => [
>                      [
>                        '-1798.95',
>                        '-1319.203',
>                        '-839.456',
>                        '-365.3882',
>                        '-20115.15'
>                      ],
>                      [
>                        '-2190.332'
>                        (...)
>                      ]
>                    ],
>          'rows' => 25,
>          'cols' => 778

This is Perl Data::Dumper format. Octave won't be able to read this
easily. Is there a way to excise this format from your files and use
the one above to read your matrices?

HTH,
- Jordi G. H.



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