AIMA.Core.Learning.Neural.Layer.getLastBiasUpdateVector C# (CSharp) Méthode

	public Vector getLastBiasUpdateVector() {
		return lastBiasUpdateVector;
	}

        public Vector calculateBiasUpdates(LayerSensitivity layerSensitivity,
                                           double alpha, double momentum)
        {
            Layer  layer = layerSensitivity.getLayer();
            Matrix biasUpdateMatrixWithoutMomentum = layerSensitivity
                                                     .getSensitivityMatrix().times(alpha).times(-1.0);

            Matrix biasUpdateMatrixWithMomentum = layer.getLastBiasUpdateVector()
                                                  .times(momentum).plus(
                biasUpdateMatrixWithoutMomentum.times(1.0 - momentum));
            Vector result = new Vector(biasUpdateMatrixWithMomentum
                                       .getRowDimension());

            for (int i = 0; i < biasUpdateMatrixWithMomentum.getRowDimension(); i++)
            {
                result.setValue(i, biasUpdateMatrixWithMomentum.get(i, 0));
            }
            layer.acceptNewBiasUpdate(result.copyVector());
            return(result);
        }