AdvancedOCR.RectangularWeights.PreTrainCore C# (CSharp) Method

        protected override void PreTrainCore(Step downstream)
        {
            RectangularStep step = (RectangularStep)downstream;
            Debug.Assert(MapCount == downstream.Upstream.Count);

            for (int i = 0; i < MapCount; i++)
            {
                PropogateUnitSecondDerivatives(step, i);
            }
            EstimateBiasSecondDerivative(step);
        }