AdvancedOCR.SubsamplingWeights.EstimateBiasSecondDerivative C# (CSharp) Method

        protected override void EstimateBiasSecondDerivative(RectangularStep downstream)
        {
            for (int i = 0; i < downstream.Length; i++)
            {
                // Calculating the sum of: second derivatives of error with respect to the bias weight.
                // Note that the bias is implemented as an always-on Neuron with a (the same) weight to the outputs neurons.
                BiasStepSize += downstream.ErrorDerivative[i] * 1.0 * 1.0;
            }
        }