MAT file

How to edit a mat file

[TAB]

http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer

Answer 1

[Jonathan Sullivan]

What do you want to edit? Do you want to change a variable? Add a variable? Assuming it's the latter, you could just use the -append flag.

For example

x = rand(100,1);
save('MyData.mat','x'); % initial save
y = rand(100,1);
save('MyData.mat','y','-append'); % add a variable