Fast ismember for object arrays

Zoltán Csáti

2018 3 27

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I have an object oriented code which calls the ismember function many times. I saw forum discussions recommending the unducumented ismembc function. However, it does not work on objects. Is there a way to speed it up? I need no input checks and the objects are instantiated from a class which is derived from the handle class. Using the analogue of the handle class with references in C++, comparison should be super fast.