MATLAB doesn't overwrite variable's content once saved and re-opened

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Siddhant Shivram 2017-4-15

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https://ww2.mathworks.cn/matlabcentral/answers/335518-matlab-doesn-t-overwrite-variable-s-content-once-saved-and-re-opened

评论： Darshan Ramakant Bhat 2017-4-18

Hi all,

I have a certain vector called dates which contains a 262 rows of dates. I delete the first date using the following code

dates(1) = []

and save MATLAB after using the size command to verify that I now have 261 rows. Upon reopening MATLAB, my dates still has 262 rows :/ Note: All the new variables I created in the previous session correctly display the data they hold - its just this one variable that doesn't overwrite its old value when MATLAB is saved and re-opened.

I'd appreciate any help. Thank you !

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dpb 2017-4-15

Don't just tell, show the sessions that illustrate the problem. As the other variables show, Matlab doesn't behave that way in general, you've got a functional error somewhere in the commands that is causing the symptom.

Possibly what you've got is a cell array that has an empty cell now, but the array is still the same size; we need to see precisely what you did in the sequence in which you did it to provide the precise reason.