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RE: editing .mat data file

From: William Krekeler
Subject: RE: editing .mat data file
Date: Tue, 26 Jul 2011 20:28:41 +0000

-----Original Message-----
From: address@hidden [mailto:address@hidden On Behalf Of daniel_octave
Sent: Tuesday, July 26, 2011 2:52 PM
To: address@hidden
Subject: editing .mat data file

I have data in a .mat file which I need to edit so that I can insert variable
names into the file before the data. I am wondering how to open the file so
that I can first view the data in the file and then also edit and write to
the file. I have tried using the fopen commands but all it returns is an id
number. Any help would be much appreciated. Thanks.

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I thought the variable names were automatically stored in a mat file. You read 
a mat file with load( 'filename.mat' ). Does 'whos' after loading your mat file 
not show the correct variable set?

If you want different variable names just read in the mat file, create new 
variables, clear the old variables and use the save command to update the mat 

William Krekeler

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