How can I save data to a .mat file the variables of the old .mat files aren't lost after saving new ones?

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Yen Hai
Yen Hai 2016-4-30
回答： Azzi Abdelmalek 2016-4-30
In my program, I need to save variables in each for loop and I want to save all variables after run all for loops in file result.mat. Howerver, when I save new variables, variables in previous for loop are lost. How can I save all data after finishing all for loop? Thank for your help!

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回答（1 个）

Azzi Abdelmalek
Azzi Abdelmalek 2016-4-30
Use append option
a=10;
save('file','a')
b=20;
save('file','b','-append')

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