Open the documentation for the save function using doc save.
Save mat file version 7 3.
Use the matfile function to create files in version 7 3 format.
To identify or change the default mat file version access the mat files preferences.
By default all save operations create version 7 mat files.
Save two variables to a mat file.
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.
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.
It complaints that you try to save to a mat file older than 7 3.
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.
Create two variables a and b and save them to a mat file version 7 or 7 3.
Learn more about v7 3 save variable 2gb.
By default the save function compresses variables a and b before saving them to myfile mat.
Then append a third variable without compression to the same file.
The save variables to version 7 3 mat file example on that page shows the exact syntax.
That is why the warnning message sounds strange.
While saving as version 7 3 works i cannot load or import the new mat file into r2017a.
Partial loading and saving requires version 7 3 mat files any load or save operation that uses a matfile object associated with a version 7 or earlier mat file temporarily loads the entire variable into memory.
For example this code.
How to save v7 3 format variable quickly in few.
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.
In this case the default mat file version is 7 3.
In this case the default mat file version is 7 3.
I am trying to save a large workspace as a mat for later use.
