Is it necessary to clear variables before writing the same variable (updated contents) to workspace?
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Commented: Alexei M on 16 Feb 2017
Kind of a silly question about a very fundamental thing. I forgot if Matlab always completely overwrites a variable if I reassign it. Or is it possible that some old content will remain if the old variable had more fields, elements, etc? More specifically, I have a GUI where one of the buttons is to send a couple structures (named "S" and "S2") to the base workspace in case I want to play around with them.
If I already had S and S2 in the base workspace from before, is there any need or reason to clear them in the base workspace prior to executing this line
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