Matlab Mat File Version

Although the bulk of the file is in binary form the header of a level 5 mat file can be read with a text editor.

Matlab mat file version.

This is also true of a version 7 3 file. By using tags the level 5 mat file format provides quick access to individual data elements within a mat file. Matlab releases r2006b and later all support all mat file versions. 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.

As a side note i find it highly ironic that the proprietary v6 v7 mat format is more cross platform compatible due to its documentation compared to the v7 3 format that is supposed to rely on the standard hdf5 format and yet is sufficiently different in a non documented manner to make this format unusable on any platform outside matlab. Hdf5 based mat file support matlab 7 4 r2007a 17 1 5 0 07 2007 march 1 2007 new bsxfun function to apply element by element binary operation with singleton expansion enabled. Matlab 7 5 r2007b 18 1 6 0 september 1 2007 last release for windows 2000 and powerpc mac. In this case the default mat file version is 7 3.

If you do not specify filename the save function saves to a file named matlab mat. By default all save operations create version 7 mat files. License server support for windows vista. Headers from a file saved as v6 v7 and v7 3 in matlab 2015a are shown below preceded by the version in.

By default all save operations create version 7 mat files. The only exception to this is when you create new mat files using the matfile function. You can move through a mat file by finding a tag and then skipping ahead the specified number of bytes until the next tag. Note that the headers for v6 and v7 files have the same 5 0 identification.

The only exception to this is when you create new mat files using the matfile function. The save variables to version 7 3 mat file example on that page shows the exact syntax. New internal format for p code. In this case the default mat file version is 7 3.

Learn more about matlab io matfile matfile type file format matlab. Name of file specified as a character vector or string scalar. To identify or change the default mat file version access the mat files. To identify or change the default mat file version access the mat files.