MATLAB: How to exist(obj.struct.var)

MATLABobj struct var exist

exist(obj.struct.var) always returns 0 regardless if the var exists or not.

Best Answer

isfield(obj.struct,'var')

Related Solutions

MATLAB: Exist function returning 0 for a variable that definitely exists

Don't use exist() with struct field syntax. Only use it for variable names. E.g.,

>> a.f = 4
a = 
    f: 4
>> exist('a','var')
ans =
     1
>> exist('a.f','var')
ans =
     0
>> exist('a','var') && isfield(a,'f')
ans =
     1

MATLAB: What Is the Definition of Scalar Structure

A scalar structure is an array of class struct for which the isscalar function returns true.

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