public override KeyValuePair <double, double[, , ]> WriteG(int pos, double[,,] input, double[,,] t, double k)
{
List <IOPair> pairs;
double err;
double[][,,] errors = GetBackwardErrors(input, t, out err, out pairs);
layers[0].WriteG(pos, errors[0], input, k);
for (int i = 1; i < layers.Count; i++)
{
layers[i].WriteG(pos, errors[i], pairs[i - 1].Key, k);
}
int depth = memory_layer.output_size[0];
int height = memory_layer.output_size[1];
int width = memory_layer.output_size[2];
#region асчет ошибки для входа
double[,,] diff = doubleArrayExtensions.CreateArray(layers[0].input_size);
diff.ForEach((val) => 1);
var true_diff = memory_layer.GetOutputAndDiff(cached_last_layer).Value;
for (int z = 0; z < depth; z++)
{
int z2 = z + z_offset;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
diff[z2, y, x] = true_diff[z, y, x];
}
}
}
var error = layers[0].CreateInpuut();
layers[0].GetError(errors[0], diff, input, error);
#endregion
#region Запись градиента для рекурсивного слоя
double[,,] new_err = doubleArrayExtensions.CreateArray(memory_layer.output_size);
for (int z = 0; z < depth; z++)
{
int z2 = z + z_offset;
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
new_err[z, y, x] = error[z2, y, x];
}
}
}
memory_layer.WriteG(pos, new_err, cached_last_layer, k);
#endregion
return(new KeyValuePair <double, double[, , ]>(Math.Sqrt(err / t.Length), pairs.Last().Key));
}
