private void FeedForward(int layerIndex)
{
var layer = Layers[layerIndex];
var input = Layers[layerIndex - 1].Select(neuron => neuron.Output).ToArray();
foreach (var neuron in layer)
{
var weightedSum = neuron.InputSynapses
.Select((synapse, synapseIndex) => synapse.Weight * input[synapseIndex])
.Sum();
neuron.Output = NeuralNetworkHelper.Sigmoid(weightedSum + neuron.Bias);
}
if (layerIndex < Layers.Count - 1)
{
FeedForward(layerIndex + 1);
}
}
