public override float Backward(Differentiable differentiable)
{
if (!_isEvaluated)
{
throw new Exception("!_isEvaluated");
}
if (!_isDerived)
{
_totalDerivative = Differentiables.Select((value, index) => Derive(index) * value.Backward(differentiable)).Sum();
}
_isDerived = true;
return(_totalDerivative);
}
public abstract float Backward(Differentiable differentiable);
public override float Backward(Differentiable differentiables)
{
return(differentiables.Equals(this) ? 1.0f : 0.0f);
}
