How to get groot before R2014b?

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Albert Bing
Albert Bing 2019-12-13
评论： Albert Bing 2019-12-14
I am working on a GUI program. groot was used in the scripts.
However, when applying it I found some old computers installed older version of Matlab, which made the GUI down.
I was thinking of define a variable groot to make the GUI working if matlab version was older than R2014b, by verLessThan.
How should I do it?
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Walter Roberson
Walter Roberson 2019-12-13
Sometimes groot is useful to provide a starting point for findall or findobj especially with a -depth argument (the starting point is not formally defined if you omit the object reference.)
Albert Bing
Albert Bing 2019-12-14
Reply to @Steven Lord's comment, I used uicontrol(0, ...) just to replace groot to 0.

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