Integration with Neural Network

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Carsten Daldrup
Carsten Daldrup le 22 Sep 2020
Hey,
I want to create a neural network that helps to integrate functions f(x). What kind of app would you use? Should I prepare my data like a table: function, integral limit?
  2 commentaires
Ameer Hamza
Ameer Hamza le 22 Sep 2020
Do you want it to work for any function f(x) or some specific function?
Carsten Daldrup
Carsten Daldrup le 23 Sep 2020
It would be great if it woud work for any function, but I suggest that I have to use some specfic function or?

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Réponses (2)

Anshika Chaurasia
Anshika Chaurasia le 29 Sep 2020
Hi Carsten,
It is my understanding that you want to use a Neural Network to learn a function f(x) and then predict new values.
I would suggest you to use Neural Net Fitting App and also prepare dataset for it (as you have mentioned table: function, integral limit).
  3 commentaires
Anshika Chaurasia
Anshika Chaurasia le 29 Sep 2020
Hi Carsten,
ECOC-model is used for multi-class classification problem. It uses different binary classifiers such as SVM, KNN, etc, to solve multi-class problem. So, I think it won't help you in approximating any function f(x) using neural network.
You could use fitnet function for fitting neural network on your dataset and set trainFcn as 'traingd' to use gradient descent algorithm while training neural network.
Carsten Daldrup
Carsten Daldrup le 1 Oct 2020
Hi Anshika,
okay, I've already used the neural network applications. It approximates good.
But is there any other solution in MATLAB that comes close to a neural network/machineLearning? I need to use the SGD-methode to train the "network". I just found this method for classification...
It's not possible to write a personalized trainFcn right?

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Carsten Daldrup
Carsten Daldrup le 13 Oct 2020
Modifié(e) : Carsten Daldrup le 13 Oct 2020
Does anybody know if it is possible to use the SGD-Method to train my network or do I have to implement the network and SGD by myself?

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