Are there neural networks with very few nodes that decently solve non-trivial problems?












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I'm interested in knowing whether there exist any neural network, that solves (with >=80% accuracy) any nontrivial problem, that uses very few nodes (where 20 nodes is not a hard limit). I want to develop an intuition on sizes of neural networks.










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  • $begingroup$
    Universal approximation theorem: a neural network with one hidden layer can approximate any "reasonable" function given a sufficient number of nodes in the hidden layer.
    $endgroup$
    – nbro
    11 hours ago






  • 1




    $begingroup$
    I think it will not be easy to answer your question. What do you mean by "non-trivial problem"?
    $endgroup$
    – nbro
    11 hours ago










  • $begingroup$
    I want few nodes even in hidden layers.
    $endgroup$
    – Guillermo Mosse
    5 hours ago










  • $begingroup$
    @nbro my sense of "non-trivial" in this context is intractable or unsolved.
    $endgroup$
    – DukeZhou
    3 hours ago
















8












$begingroup$


I'm interested in knowing whether there exist any neural network, that solves (with >=80% accuracy) any nontrivial problem, that uses very few nodes (where 20 nodes is not a hard limit). I want to develop an intuition on sizes of neural networks.










share|improve this question









New contributor




Guillermo Mosse is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$












  • $begingroup$
    Universal approximation theorem: a neural network with one hidden layer can approximate any "reasonable" function given a sufficient number of nodes in the hidden layer.
    $endgroup$
    – nbro
    11 hours ago






  • 1




    $begingroup$
    I think it will not be easy to answer your question. What do you mean by "non-trivial problem"?
    $endgroup$
    – nbro
    11 hours ago










  • $begingroup$
    I want few nodes even in hidden layers.
    $endgroup$
    – Guillermo Mosse
    5 hours ago










  • $begingroup$
    @nbro my sense of "non-trivial" in this context is intractable or unsolved.
    $endgroup$
    – DukeZhou
    3 hours ago














8












8








8


5



$begingroup$


I'm interested in knowing whether there exist any neural network, that solves (with >=80% accuracy) any nontrivial problem, that uses very few nodes (where 20 nodes is not a hard limit). I want to develop an intuition on sizes of neural networks.










share|improve this question









New contributor




Guillermo Mosse is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.







$endgroup$




I'm interested in knowing whether there exist any neural network, that solves (with >=80% accuracy) any nontrivial problem, that uses very few nodes (where 20 nodes is not a hard limit). I want to develop an intuition on sizes of neural networks.







neural-networks






share|improve this question









New contributor




Guillermo Mosse is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question









New contributor




Guillermo Mosse is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









share|improve this question




share|improve this question








edited 10 hours ago









nbro

1,416621




1,416621






New contributor




Guillermo Mosse is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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asked 12 hours ago









Guillermo MosseGuillermo Mosse

1435




1435




New contributor




Guillermo Mosse is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.





New contributor





Guillermo Mosse is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






Guillermo Mosse is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.












  • $begingroup$
    Universal approximation theorem: a neural network with one hidden layer can approximate any "reasonable" function given a sufficient number of nodes in the hidden layer.
    $endgroup$
    – nbro
    11 hours ago






  • 1




    $begingroup$
    I think it will not be easy to answer your question. What do you mean by "non-trivial problem"?
    $endgroup$
    – nbro
    11 hours ago










  • $begingroup$
    I want few nodes even in hidden layers.
    $endgroup$
    – Guillermo Mosse
    5 hours ago










  • $begingroup$
    @nbro my sense of "non-trivial" in this context is intractable or unsolved.
    $endgroup$
    – DukeZhou
    3 hours ago


















  • $begingroup$
    Universal approximation theorem: a neural network with one hidden layer can approximate any "reasonable" function given a sufficient number of nodes in the hidden layer.
    $endgroup$
    – nbro
    11 hours ago






  • 1




    $begingroup$
    I think it will not be easy to answer your question. What do you mean by "non-trivial problem"?
    $endgroup$
    – nbro
    11 hours ago










  • $begingroup$
    I want few nodes even in hidden layers.
    $endgroup$
    – Guillermo Mosse
    5 hours ago










  • $begingroup$
    @nbro my sense of "non-trivial" in this context is intractable or unsolved.
    $endgroup$
    – DukeZhou
    3 hours ago
















$begingroup$
Universal approximation theorem: a neural network with one hidden layer can approximate any "reasonable" function given a sufficient number of nodes in the hidden layer.
$endgroup$
– nbro
11 hours ago




$begingroup$
Universal approximation theorem: a neural network with one hidden layer can approximate any "reasonable" function given a sufficient number of nodes in the hidden layer.
$endgroup$
– nbro
11 hours ago




1




1




$begingroup$
I think it will not be easy to answer your question. What do you mean by "non-trivial problem"?
$endgroup$
– nbro
11 hours ago




$begingroup$
I think it will not be easy to answer your question. What do you mean by "non-trivial problem"?
$endgroup$
– nbro
11 hours ago












$begingroup$
I want few nodes even in hidden layers.
$endgroup$
– Guillermo Mosse
5 hours ago




$begingroup$
I want few nodes even in hidden layers.
$endgroup$
– Guillermo Mosse
5 hours ago












$begingroup$
@nbro my sense of "non-trivial" in this context is intractable or unsolved.
$endgroup$
– DukeZhou
3 hours ago




$begingroup$
@nbro my sense of "non-trivial" in this context is intractable or unsolved.
$endgroup$
– DukeZhou
3 hours ago










1 Answer
1






active

oldest

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9












$begingroup$

Even if it’s impossible to answer this question properly, as non trivial is not well defined (maybe the author will edit this questions later, to specify it better), I take the opportunity to point out this paper which looks interesting to me



Smallest Neural Network to Learn the Ising Criticality



Assuming you have a general idea of the Ising Model I think the problem of identifying the critical temperature from a data driven perspective can be considered as non trivial and the paper shows how the authors have improved the performance related to solve this task with NN passing from 100 Hidden Neurons, as performed in this paper Machine learning phases of matter from 2017, to only 2 Hidden Neurons



Just my cents:




  • reducing the neurons, while keeping good performance, should help in terms of neural processing interpretability which is notoriously obscure and its complexity grows (exponentially) with the number of neurons






share|improve this answer











$endgroup$









  • 2




    $begingroup$
    I just wanted examples that the community itself found interesting. I think it is actually non trivial to define non triviality. Right?
    $endgroup$
    – Guillermo Mosse
    5 hours ago











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1 Answer
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1 Answer
1






active

oldest

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active

oldest

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active

oldest

votes









9












$begingroup$

Even if it’s impossible to answer this question properly, as non trivial is not well defined (maybe the author will edit this questions later, to specify it better), I take the opportunity to point out this paper which looks interesting to me



Smallest Neural Network to Learn the Ising Criticality



Assuming you have a general idea of the Ising Model I think the problem of identifying the critical temperature from a data driven perspective can be considered as non trivial and the paper shows how the authors have improved the performance related to solve this task with NN passing from 100 Hidden Neurons, as performed in this paper Machine learning phases of matter from 2017, to only 2 Hidden Neurons



Just my cents:




  • reducing the neurons, while keeping good performance, should help in terms of neural processing interpretability which is notoriously obscure and its complexity grows (exponentially) with the number of neurons






share|improve this answer











$endgroup$









  • 2




    $begingroup$
    I just wanted examples that the community itself found interesting. I think it is actually non trivial to define non triviality. Right?
    $endgroup$
    – Guillermo Mosse
    5 hours ago
















9












$begingroup$

Even if it’s impossible to answer this question properly, as non trivial is not well defined (maybe the author will edit this questions later, to specify it better), I take the opportunity to point out this paper which looks interesting to me



Smallest Neural Network to Learn the Ising Criticality



Assuming you have a general idea of the Ising Model I think the problem of identifying the critical temperature from a data driven perspective can be considered as non trivial and the paper shows how the authors have improved the performance related to solve this task with NN passing from 100 Hidden Neurons, as performed in this paper Machine learning phases of matter from 2017, to only 2 Hidden Neurons



Just my cents:




  • reducing the neurons, while keeping good performance, should help in terms of neural processing interpretability which is notoriously obscure and its complexity grows (exponentially) with the number of neurons






share|improve this answer











$endgroup$









  • 2




    $begingroup$
    I just wanted examples that the community itself found interesting. I think it is actually non trivial to define non triviality. Right?
    $endgroup$
    – Guillermo Mosse
    5 hours ago














9












9








9





$begingroup$

Even if it’s impossible to answer this question properly, as non trivial is not well defined (maybe the author will edit this questions later, to specify it better), I take the opportunity to point out this paper which looks interesting to me



Smallest Neural Network to Learn the Ising Criticality



Assuming you have a general idea of the Ising Model I think the problem of identifying the critical temperature from a data driven perspective can be considered as non trivial and the paper shows how the authors have improved the performance related to solve this task with NN passing from 100 Hidden Neurons, as performed in this paper Machine learning phases of matter from 2017, to only 2 Hidden Neurons



Just my cents:




  • reducing the neurons, while keeping good performance, should help in terms of neural processing interpretability which is notoriously obscure and its complexity grows (exponentially) with the number of neurons






share|improve this answer











$endgroup$



Even if it’s impossible to answer this question properly, as non trivial is not well defined (maybe the author will edit this questions later, to specify it better), I take the opportunity to point out this paper which looks interesting to me



Smallest Neural Network to Learn the Ising Criticality



Assuming you have a general idea of the Ising Model I think the problem of identifying the critical temperature from a data driven perspective can be considered as non trivial and the paper shows how the authors have improved the performance related to solve this task with NN passing from 100 Hidden Neurons, as performed in this paper Machine learning phases of matter from 2017, to only 2 Hidden Neurons



Just my cents:




  • reducing the neurons, while keeping good performance, should help in terms of neural processing interpretability which is notoriously obscure and its complexity grows (exponentially) with the number of neurons







share|improve this answer














share|improve this answer



share|improve this answer








edited 8 hours ago

























answered 10 hours ago









Nicola BerniniNicola Bernini

1262




1262








  • 2




    $begingroup$
    I just wanted examples that the community itself found interesting. I think it is actually non trivial to define non triviality. Right?
    $endgroup$
    – Guillermo Mosse
    5 hours ago














  • 2




    $begingroup$
    I just wanted examples that the community itself found interesting. I think it is actually non trivial to define non triviality. Right?
    $endgroup$
    – Guillermo Mosse
    5 hours ago








2




2




$begingroup$
I just wanted examples that the community itself found interesting. I think it is actually non trivial to define non triviality. Right?
$endgroup$
– Guillermo Mosse
5 hours ago




$begingroup$
I just wanted examples that the community itself found interesting. I think it is actually non trivial to define non triviality. Right?
$endgroup$
– Guillermo Mosse
5 hours ago










Guillermo Mosse is a new contributor. Be nice, and check out our Code of Conduct.










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