Fixed a small bug, since we now look for filenames containing .mat, we require >0 not >2

FindBestParametersFile.m

@@ -11,7 +11,7 @@ if useSub
     pathToSearch=[pathToSearch '/**/*.mat'];
 end
 files=dir(pathToSearch);
-assert(length(files)>2,'No files to search in the provided path')
+assert(length(files)>0,'No files to search in the provided path')
 names=string({files.name});
 files(cellfun(@isempty,regexp(names, key)))=[]; %removes all files not containing "key"