how can i access updated data of same variable?

hi, i want to access data of variable on each launch like temp{i1}=template; in temp{i1} there's a feature extracted image code which got saved in template varible if i save variable'template' then there's only one image code at a time get saved whereas i want every updated image code so how can i access updated data of same variable?

Answer 1

[Walter Roberson]

save will always overwrite the complete contents of variables with the same name, even when you use the "-append" argument.

You should have a look at matfile