check if a variable in a structure exist

2014 4 16
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更新时间：2014 4 16
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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

12 个投票

isfield(handles,'Y2')
doc isfield % for details
help struct % for reminder on structures

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Sara
Sara 2014-4-16

1 个投票

Use:
ispresent = isfield(handles,'Y2')
See
help isfield
for more infos.

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