Make the script independent of date

We keep the Matlab script as simple as possible: we do not process
filenames with embedded dates, we assume general names, implying that
we create a symbolic link before calling the Matlab script and rename
the output file.

Convert_Matlab/inst_eddies.m

@@ -3,13 +3,13 @@
 % inst_eddies_v6.py.
 
 clear
-disp('Loading adt_19930101.mat...')
+disp('Loading adt.mat...')
 tic
-load('adt_19930101.mat', 'ADT', 'Anticyclonic_Cell', 'Cyclonic_Cell', 'X', ...
-     'Y', 'date_num')
+load('adt.mat', 'ADT', 'Anticyclonic_Cell', 'Cyclonic_Cell', 'X', 'Y', ...
+     'date_num')
 toc
 disp('Saving...')
 tic
-save('adt_19930101_v6', '-v6')
+save('adt_v6', '-v6')
 toc
 exit