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check if a variable in a structure exist

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Alon
Alon 2014-4-16
评论： Alon 2014-4-16
Hello, I must check if the variable handles.Y2 exists in the structure handles(I work with gui). Using exist gives me 0 although it exist in the structure thanks

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dpb
dpb 2014-4-16
isfield(handles,'Y2')
doc isfield % for details
help struct % for reminder on structures

更多回答（1 个）

Sara
Sara 2014-4-16
Use:
ispresent = isfield(handles,'Y2')
See
help isfield
for more infos.

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