protected override void CalculateDeltasErrorsForThisLayer(LayerEventArgs nextLayerEventArgs)
{
_DeltasErrorsOfNeurons = Backpropagation.GetDeltasOutputLayer(
_OutputSignals[(int)nextLayerEventArgs.NumberOfActiveDataset],
nextLayerEventArgs.ExpectedSignalsOutLayer[(int)nextLayerEventArgs.NumberOfActiveDataset],
nextLayerEventArgs.ActivationFunc);
}
public void GetDeltasErrorsOutputLayer()
{
//Arrange
float[] outputSignal = new float[]
{
0.95F,
0.55F,
0.40F,
0.90F
};
float[] actualSignal = new float[]
{
1,
0,
0,
1
};
float[] expected = new float[]
{
0.002375001F,
-0.136125F,
-0.096F,
0.009000004F
};
//Act
var actual = Backpropagation.GetDeltasOutputLayer(outputSignal, actualSignal, ActivationFunc.Sigmoid);
//Assert
for (int i = 0; i < expected.Length; i++)
{
Assert.AreEqual(expected[i], actual[i]);
}
}