public static FTile SquareError()
{
var layer = new FTile();
var(input, res) = FSymbol.New("input", "res");
layer.Sum((i, j) => res[i] = input[j] * input[j]);
return(layer);
}
public static FTile Dense()
{
var layer = new FTile();
var(input, w, b, res) = FSymbol.New("input", "W", "b", "res");
layer.Sum((i, j) => res[i] = w[i, j] * input[j] + b[i]);
layer.Sum(i => res[i] = Activations.ReLU(res[i]));
return(layer);
}