access properties from an array of objects as an array?

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Assume:
  1. obj = an object instance of a class
  2. obj has a property a such that obj.a = <double>
  3. listOfObj = repmat(obj, 10, 1)
I want to search through the set of properties that exists in an array of objects. For example,
find( obj(:).a == 3)
However, that doesn't really work. What are the intelligent approaches?

Accepted Answer

Guillaume
Guillaume on 20 Jun 2018
find([obj.a] == 3)
This assumes that a is scalar for all elements of array obj.

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