public void Rebuild()
{
neurons = new List<Neuron>();
if (configuration == null)
{
return;
}
foreach (var node in configuration.nodes)
{
neurons.Add(convertor.ToObject(node));
}
System.Random random = new System.Random();
foreach (var link in configuration.links)
{
var from = neurons.Find(x => x.ID == link.from);
var to = neurons.Find(x => x.ID == link.to);
if (from != null && to != null)
{
NeuronLink neuronLink = new NeuronLink(from, to, (float)random.NextDouble());
from.out_weights.Add(neuronLink);
to.input_weights.Add(neuronLink);
}
else
{
logger.Error($"Найдена связка несуществующих нейронов", this);
}
}
}
/// <summary>
/// Establish links to the previous layer of neurons
/// </summary>
/// <param name="aNeurons"> Neuron list of the previous layer</param>
public void Link(List <Neuron> aNeurons)
{
inputs = new NeuronLink[aNeurons.Count];
for (int i = 0; i < aNeurons.Count; i++)
{
inputs[i] = new NeuronLink {
neuron = aNeurons[i], weight = 1f
}
}
;
}
/// <summary>
/// Establish links to the previous layer of neurons, copy link weights from a source
/// </summary>
/// <param name="aNeurons">Neuron list of the previous layer</param>
/// <param name="aSourceWeights">list of neuron links from which we copy the weights</param>
public void Link(List <Neuron> aNeurons, NeuronLink[] aSourceWeights)
{
if (aNeurons == null || aSourceWeights == null || aNeurons.Count != aSourceWeights.Length)
{
throw new System.ArgumentException("Duplicate of Neuron failed!");
}
inputs = new NeuronLink[aNeurons.Count];
for (int i = 0; i < aNeurons.Count; i++)
{
inputs[i] = new NeuronLink {
neuron = aNeurons[i], weight = aSourceWeights[i].weight
}
}
;
}
}
private static NeuronBackPointer[] BuildBackLinks(Neuron[] inputs, Neuron[] neurons, Neuron[] outputs, NeuronLink[] links)
{
List<NeuronBackPointer> retVal = new List<NeuronBackPointer>();
// Split the list apart by To (and get all links by each To neuron)
var neuronLinks = links.Where(o => !o.To_IsOutput).GroupBy(o => o.To_Index).ToArray();
var outputLinks = links.Where(o => o.To_IsOutput).GroupBy(o => o.To_Index).ToArray();
// Build return items
foreach (var link in UtilityCore.Iterate(neuronLinks, outputLinks))
{
retVal.Add(new NeuronBackPointer(
link.First().To_IsOutput ? outputs[link.Key] : neurons[link.Key],
link.Select(o => o.From_IsInput ? inputs[o.From_Index] : neurons[o.From_Index]).ToArray(),
link.ToArray()));
}
// Exit Function
return retVal.ToArray();
}
public NeuronBackPointer(Neuron neuron, Neuron[] inputs, NeuronLink[] links)
{
this.Neuron = neuron;
this.Inputs = inputs;
this.Links = links;
}
