Loading mat files in matlab created from octave
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Adib Zaman
el 3 de Jul. de 2014
Comentada: Gordon Fox
el 6 de En. de 2023
I have this .mat file created from octave, which contains structures. When I wanted to load the mat files from matlab, it shows an error. How to load these files?
>> y = load('murikhao.mat')
Error using load
Unable to read MAT-file murikhao.mat: not a binary MAT-file.
Try LOAD -ASCII to read as text.
adding '-ascii' parameter didnt help.
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Robert
el 30 de Nov. de 2014
Really late reply, but I came across this issue today and wanted to post the solution. Try using the option -mat7-binary in your octave save command.
save -mat7-binary 'filename' 'var1' 'var2'
I'm using R2014a on my osx host and octave 3.8.1 on a linux vm.
4 comentarios
Juan Martin Farias
el 5 de En. de 2023
This worked perfectly for me too. I am using R2021b in Windows 10
Thanks!
Más respuestas (2)
James Tursa
el 3 de Jul. de 2014
If MATLAB can't load it, then I would guess that it was not written properly in Octave. Double check the way Octave is writing this file.
13 comentarios
Walter Roberson
el 20 de Oct. de 2018
Movida: Rik
el 5 de En. de 2023
Load the file in octave, save it in MATLAB binary format.
Walter Roberson
el 20 de Oct. de 2018
Movida: Rik
el 5 de En. de 2023
Octave
Built-in Variable: default_save_format
This variable specifies the default format for the save command. It should have one of the following values: "ascii", "binary", float-binary, or "mat-binary". The initial default save format is Octave's text format.
kkyaj
el 20 de Oct. de 2018
Editada: kkyaj
el 20 de Oct. de 2018
The default_save_format in octave is a nice feature which I did know existed. Thanks, Walter. That is helpful.
I believe that we agree the solution to "how can i load octave *.mat files not written in mat-binary format into matlab?" is that matlab will not do this natively.
One needs to externally load/resave using octave (with '-mat7-binary' flag) or scipy (with io.loadmat, io.savemat), which is to say that there is no matlab solution to this.
1 comentario
Walter Roberson
el 22 de Oct. de 2018
It is possible that someone has written code to import octave save format into MATLAB, but that functionality is not built into MATLAB.
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