how to access the variables of one matlab file into another file

If I binarize a fingerprint image in one matlab file then enhancing it in another matlab file. how i can access the variables of first matlab file into second file.

[Rik]

You can share variables between functions by passing them as arguments. Is that what you mean?

[Stephen23]

Best practice: pass the data as input/output arguments:

https://www.mathworks.com/help/matlab/matlab_prog/share-data-between-workspaces.html