How to implement classification in Matlab?

I've found that after feature selection I can use classification algorithm to specify the class(label) of each sample, In my research I'm using multiple classifiers or classification ensemble for stability of the project, I know that we use multiple classifiers to enhance the classification's strength and use the power of multiple classifiers, I wanted to ask how to implement this in matlab in the right way? because in matlab help I studied about fitcensemble function that combines multiple dicision trees and also I studied about classification learner app in the app menue in matlab, besides I think maybe I should use coding and generate codes wich include each classification algorithm code, I wanted to ask what is the routine procedure and the best methode that programmers usually use for classification ensemble? I'll be very grateful to have your opinions?

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