Starting with mat file version 4 there are several subsequent versions of mat files that support an increasing set of features.
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.
March 7 2005 support for memory mapped files.
For variables larger than 2gb use mat file version 7 3 or later.
For data saved using mat file versions prior to 7 3 simulink can only load two dimensional arrays consisting of one dimensional double noncomplex samples.
Matlab releases r2006b and later all support all mat file versions.
By default all save operations create version 7 mat files.
The save variables to version 7 3 mat file example on that page shows the exact syntax.
By default all save operations create version 7 mat files.
Your matlab is r2010a which should be later than v7 3.
Starting with mat file version 4 there are several subsequent versions of mat files that support an increasing set of features.
Save file name v7 3 timeseries.
Use the matfile function to access matlab variables directly from mat files on disk without loading the full variables into memory.
Matlab 7 1 r14sp3 1 5 0 september 1 2005 first 64 bit version available for windows xp 64 bit matlab 7 2 r2006a 15 1 5 0 2006 march 1 2006 matlab 7 3 r2006b 16 1 5 0 september 1 2006 hdf5 based mat file support matlab 7 4 r2007a 17 1 5 0 07 2007 march 1 2007.
To load data of any other type complexity or dimension use a timeseries object and save the file using mat file version 7 3 or later.
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.