https://nl.mathworks.com/help/simulink/slref/mldatx.io.file.getasdatastore.html
getAsDatastore - Create datastore for processing big data stored in MLDATX file - MATLAB
This MATLAB function creates a datastore for interacting with data stored in the MLDATX file referenced by the mldatx.io.File object mldatxFileObj.
for processingbig data