protected void _runAndBackPropagate(BatchPair tv)
{
VectorBatch result = _component.Run(tv.First);
_costAccumulator += _costFunction.Cost(tv.Second, result);
_component.BackPropagate(_costFunction.Gradient(tv.Second, result));
}
public BatchPairNode(BatchPair pair)
{
Pair = pair;
Next = null;
}