Matlab Mat File Version 7 3 Or Later

Learn more about matlab 2016b big data. By default all save operations create version 7 mat files. By default all save operations create version 7 mat files.

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The only exception to this is when you create new mat files using the matfile function.

Matlab mat file version 7 3 or later.

When you create a new file using matfile the function creates a version 7 3 mat file that also lets you save variables larger than 2 gb. It complaints that you try to save to a mat file older than 7 3. If you look at the help of save v7 3 means version 7 0 features plus support for data items greater than or equal to 2gb on 64 bit systems which should be in your advantage. The save variables to version 7 3 mat file example on that page shows the exact syntax.

The only exception to this is when you create new mat files using the matfile function. Matlab releases r2006b and later all support all mat file versions. In this case the default mat file version is 7 3. These files can be read in python using for instance the pytables or h5py package.

That is why the warnning message sounds strange. Sign in to answer this question. Beginning at release 7 3 of matlab mat files are actually saved using the hdf5 format by default except if you use the vx flag at save time see help save in matlab. Your matlab is r2010a which should be later than v7 3.

The only exception to this is when you create new mat files using the matfile function. As i had matlab 2019b i thought i would have the latest and greatest mat file version if i type the following ont he command line x evalc type savepath. Reading matlab structures in mat files does not seem supported at this point. Matlab releases r2006b and later all support all mat file versions.

By default all save operations create version 7 mat files. In order to save your data to a mat file with version 7 3 or later specify the v7 3 flag as the version input argument. Matlab releases r2006b and later all support all mat file versions. In this case the default mat file version is 7 3.

In this case the default mat file version is 7 3. Use the matfile function to access matlab variables directly from mat files on disk without loading the full variables into memory. For variables larger than 2gb use mat file version 7 3 or later. Bigger than 2gb data storage.