public NeuralNetwork
(AdjacencyGraph <INeuron, Connection> network,
ICollection <INeuron> inputNeurons,
ICollection <INeuron> outputNeurons)
{
_network = network;
_outputNeurons = outputNeurons;
_inputNeurons = inputNeurons;
AlphaVertex = new EmptyNeuron("Alpha");
_network.AddVertex(AlphaVertex);
foreach (var inputNeuron in _inputNeurons)
{
_network.AddEdge(new Connection(AlphaVertex, inputNeuron, 0d));
}
OmegaVertex = new EmptyNeuron("Omega");
_network.AddVertex(OmegaVertex);
foreach (var outputNeuron in _outputNeurons)
{
_network.AddEdge(new Connection(outputNeuron, OmegaVertex, 0d));
}
_algorithm = new BreadthFirstSearchAlgorithm <INeuron, Connection>(_network);
_algorithm.ExamineEdge += AddSignal;
_algorithm.SetRootVertex(AlphaVertex);
}
public NeuralNetwork Interbreed(NeuralNetwork redNetwork, NeuralNetwork blueNetwork)
{
_logger.Info("Interbreeding started");
redNetwork.GetConnections(redNetwork.AlphaVertex)
.OrderBy(x => random.Next())
.ForEach(redQueue.Enqueue);
blueNetwork.GetConnections(blueNetwork.AlphaVertex)
.OrderBy(x => random.Next())
.ForEach(blueQueue.Enqueue);
alpha = new EmptyNeuron("Alpha");
omega = new EmptyNeuron("Omega");
resultNetwork = new AdjacencyGraph <INeuron, Connection>();
resultNetwork.AddVertex(alpha);
resultNetwork.AddVertex(omega);
while (redQueue.Count > 0 && blueQueue.Count > 0)
{
var za = redQueue.Dequeue();
var yb = blueQueue.Dequeue();
var a = za.Target;
var b = yb.Target;
if (IsNotMarked(a) && IsNotMarked(b))
{
var product = Interbreed(a, b);
newNeurons.Add(Tuple.Create(a, b, product));
Mark(a, b);
}
var newConnections = Translate(za).Concat(Translate(yb)).ToList();
AddNewConnections(newConnections);
AddRandomSubsetToQueue(redNetwork.GetConnections(a), redQueue);
AddRandomSubsetToQueue(blueNetwork.GetConnections(b), blueQueue);
}
var res = new NeuralNetwork(resultNetwork, alpha, omega);
if (res.IsCompliant(inputSize, outputSize))
{
_logger.Info("Interbreeding was finished succesfully");
return(res);
}
_logger.Info("Interbreeding was not succesfull");
return(Interbreed(redNetwork, blueNetwork));
}
