Hi all :how to save some new variables to different mat file

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Duminda Vidana Gamage
评论： Walter Roberson 2017-10-27
I have a code written to create some variables. At the beginning of the code, it loads the file "ws0722.mat" file. because of the "ws0722.mat" contains some variables which are used inside the new code to create new variables. how can I only save the new variables to new mat file, save function doesn't work for me as I have more (> 15) variables to name e:g save ('ws0722_B','s','a') if anybody can help,much appreciated Thanks

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Walter Roberson
Walter Roberson 2017-10-26
Before the load, use
existing_names = {};
existing_names = who();
then do your load and so on.
When you are ready to save, do
new_names = setdiff(who(), existing_names);
save(('ws0722_B', new_names{:});
  2 个评论
Duminda Vidana Gamage
Duminda Vidana Gamage 2017-10-27
Hi Walter: I tried the following code.
existing_names = {};
existing_names = who();
load (ws0722.mat);
new_names = setdiff(who(), existing_names);
save(('ws0722_B'), new_names{:});
however, it still gave me all the variables saved into 'ws0722_B ; anyway, thanks for the answer.
Walter Roberson
Walter Roberson 2017-10-27
To save only names created after the load(), put the load first and then the two lines about existing_names. Later after you have created new variables that you want to save, do the new_names and save() code.

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