How do I change the values of a neural net

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manpreet Tuteehub forum best answer Best Answer 3 years ago

 


I'm trying to have a go at building a neural net, but I can't seem to figure out how to optimise the connections.

I've tried to have a look online and it came up with "backpropagation". I looked through some pages about it, but I can't seem to understand it.

It seems to be where you decide on a target value for each node of your output, and adjust the weights of the synapses to bring the values closer to their targets.

  • What about the inactive synapses (synapses giving a value of 0 because the previous neuron wasn't activated (its values didn't pass the threshold))? Do those stay the same?
  • How would this configure the hidden layers? Do I have to assign target values to them? How?
  • What are the other ways that the connections can be adjusted? What alternatives are there to using target values?
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