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What does it mean "/Multiple" after variable name in *.mat file?

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Csaba
Csaba el 22 de Abr. de 2024
Comentada: Csaba el 26 de Abr. de 2024
I have *.mat files exported by Bruker Opus program. When I select these files Matlab lists the variables contained in that file. However, after each variable name there is a /Multiple note, (see figure).
When I click on the file it does not load anything.
What does it mean the "/Multiple"? How to load these files?

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James Tursa
James Tursa el 25 de Abr. de 2024
Editada: James Tursa el 25 de Abr. de 2024
If the file is written by a 3rd party tool, it is probably written in uncompressed format. In that case, and if the /Multiple is actually part of the variable names, maybe you can just open the file in a text editor and do a global replace of "/Multiple" with "_Multiple". Save the file under the same name, and then try loading that. It is critical that the number of characters you are replacing remains exactly the same before and after. I.e., don't replace "/Multiple" with "Multiple" because the number of characters are not the same. I think mat files record the length of variable names and you don't want to muck that up.
  3 comentarios
Csaba
Csaba el 26 de Abr. de 2024
Thanks, it worked, although I edited it in a Hex editor.
Csaba

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Walter Roberson
Walter Roberson el 22 de Abr. de 2024
The .mat file has been created by an external program not using the official Application Programming Interface. The variable names that have been inserted in the .mat are not valid.
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James Tursa
James Tursa el 24 de Abr. de 2024
Interesting ... loadfixnames sees that /Multiple as part of the variable name. And the dimensions differ from your post. I will try to look into my code this weekend.
Csaba
Csaba el 25 de Abr. de 2024
Dimensions differ because unfortunately I tried a different file. Sorry. Here is the file content:

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