replacement for 'eval' function
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MathWorks Support Team
on 14 Jun 2018
Edited: MathWorks Support Team
on 8 May 2024
I used to use 'eval' in Matlab 2017, but this triggers an error in 2018. I have looked in the documentation and user group, but found no solution. Can you help ?
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Error using eval
Too many input arguments.
Accepted Answer
MathWorks Support Team
on 8 May 2024
Edited: MathWorks Support Team
on 8 May 2024
That "eval" function was a method of the "classregtree" class which was removed in MATLAB R2018a. I noticed that you are now using the "fitctree" method instead of the removed "classregtree".
The trees from "fitctree" are part of the "ClassificationTree" class. A similar method to "eval" is in that class. It is called- "predict" and it predicts labels using classification tree. The third input in "predict" is slightly different than "eval", so you would need to change the inputs slightly.
Instead of:
>> eval(T, X, s)
The "predict" function should be used with the 'Subtrees' Name-Value pair.
>> predict(T, X, 'Subtrees', s);
For more information on the "ClassificationTree" class and the "predict" function, see the documentation links below.
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