Exemple #1
0
 public Perceptron Layer(int size, ActivationFunction.ActivationFunction activationFunction)
 {
     if (Layers.Count == 0)
     {
         Layer layer = new Layer(activationFunction, size);
         this.Layers.Add(layer);
     }
     else
     {
         Layer lastLayer = Layers[Layers.Count - 1];
         Layer layer     = new Layer(activationFunction, size);
         this.Layers.Add(layer);
         lastLayer.Next = layer;
         layer.Previous = lastLayer;
         layer.BuildWeightMatrix();
     }
     return(this);
 }
        public Layer(ActivationFunction.ActivationFunction activationFunction, int size)
        {
            this.ActivationFunction = activationFunction;
            this.Size  = size;
            BiasVector = new double[size];
            Random rand = new Random();
            double prob = rand.NextDouble();

            for (int i = 0; i < BiasVector.Length; i++)
            {
                if (prob <= 0.5)
                {
                    BiasVector[i] = -rand.NextDouble();
                }
                else
                {
                    BiasVector[i] = rand.NextDouble();
                }
            }
            BiasVectorChangeRecord = new double[size];
            Activations            = new double[size];
            WeightedSum            = new double[size];
            CostDerivatives        = new double[size];
        }
Exemple #3
0
        public static Perceptron Train(DataSet.DataSet dataSet, int batching, int epochs, double learningRate, int hiddenLayers, int hiddenLayersSize, ActivationFunction.ActivationFunction activationFunction, ErrorFunction.ErrorFunction errorFunction)
        {
            Perceptron p = new Perceptron(batching, learningRate, errorFunction);

            p.Layer(dataSet.FeatureSize, activationFunction);
            for (int i = 0; i < hiddenLayers; i++)
            {
                p.Layer(hiddenLayersSize, activationFunction);
            }
            p.Layer(dataSet.LabelSize, activationFunction);

            p.Train2(dataSet, epochs);

            return(p);
        }