/// <summary>
/// Tworzenie połączeń z neuronami warstwy poprzedniej i biasem a neuronem
/// z warstwy kolejnej
/// </summary>
/// <param name="prior">neurony wartwy poprzedniej</param>
/// <param name="neuron">nuron z wartwy kolejnej</param>
/// <param name="bias">bias, element progowy</param>
/// <returns></returns>
IEnumerable<Connection> GetNeuronConnections(FirstLayerElement[] prior, Neuron neuron, Bias bias)
{
foreach (FirstLayerElement link in prior)
yield return new Connection(link, neuron);
if (bias != null)
yield return new Connection(bias, neuron);
}
private IEnumerable<FirstLayerElement> gather(FirstLayerElement[][] layers, Bias bias)
{
foreach (FirstLayerElement[] layer in layers) {
foreach (FirstLayerElement link in layer) {
yield return link;
}
}
if (bias != null) {
yield return bias;
}
yield break;
}
/// <summary>
/// Dokonuje pełnego połączenia dwóch wartw neuronów
/// każdy z każdym
/// </summary>
/// <param name="prior">warstwa poprzednia</param>
/// <param name="next">warstwa kolejna</param>
/// <param name="bias">bias, element progowy sieci</param>
public void Connect(FirstLayerElement[] prior, Neuron[] next, Bias bias)
{
// iterowanie neuronów warstwy kolejnej i wypełnianie pola previous
foreach (Neuron neuron in next)
neuron.PreviousLayer = GetNeuronConnections(prior, neuron, bias).ToArray();
int idx = 0;
// iterowanie warstwy poprzedniej
foreach (FirstLayerElement link in prior)
link.NextLayer = GetLinkConnections(idx++, next).ToArray();
if (bias != null) {
var biasConnections = GetBiasConnections(bias, next);
if (bias.NextLayer == null)
bias.NextLayer = new Connection[] { };
bias.NextLayer = bias.NextLayer.Concat(biasConnections).ToArray();
}
}
public NetworkStructure(FirstLayerElement[][] layers, Bias bias)
{
this.Layers = layers;
this.Bias = bias;
this.Elements = gather(layers, bias).ToArray();
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="source">source neuron</param>
/// <param name="destination">destination neuron</param>
/// <param name="weight">weight of the connection</param>
public Connection(FirstLayerElement source, Neuron destination, Weight weight)
{
this.Source = source;
this.Destination = destination;
this.Weight = weight;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="source">source neuron</param>
/// <param name="destination">destination neuron</param>
public Connection(FirstLayerElement source, Neuron destination)
: this(source, destination, new Weight())
{
}