public void AddLink(NodeLink Link)
{
this._Links.Add(Link);
}
public override double WeightChange(NodeLink Link)
{
// Variables //
double w = 0;
double s = Math.Sign(Link.GRADIENT * Link.GRADIENT_LAG);
double d = Link.DELTA;
double p = 1 - Link.DELTA / (Link.DELTA + Link.DELTA_LAG);
if (s > 0)
{
d = Math.Min(CEILING, this._UpAxon * d);
w = d * Math.Sign(Link.GRADIENT) + Link.DELTA * Math.Sign(Link.GRADIENT_LAG);
}
else if (s < 0)
{
d = Math.Max(FLOOR, this._DownAxon * d);
w = -Link.WEIGHT_CHANGE * 0.5;
Link.GRADIENT = 0;
}
else
w = d * Math.Sign(Link.GRADIENT) + Link.DELTA * Math.Sign(Link.GRADIENT_LAG);
Link.DELTA_LAG = Link.DELTA;
Link.DELTA = d;
return w;
}
public override double WeightChange(NodeLink Link)
{
return Link.GRADIENT * this._LearningRate + Link.GRADIENT_LAG * this._Momentum;
}
public override double WeightChange(NodeLink Link)
{
double dx = Link.GRADIENT;
double dx2 = (Link.GRADIENT - Link.GRADIENT_LAG) / Link.WEIGHT_CHANGE;
double q = this.Bound(Link.GRADIENT / (Link.GRADIENT_LAG - Link.GRADIENT) * Link.WEIGHT_CHANGE, FLOOR, CEILING);
if (Math.Abs(Link.GRADIENT) >= Math.Abs(Link.GRADIENT_LAG * this._Scale))
return Link.GRADIENT * this._Slope + Link.GRADIENT_LAG * this._Acceleration;
else
return q;
}
public override double WeightChange(NodeLink Link)
{
// Sign(dx) x LearningRate + Sign(dx2) x Momentum, dx2 = second derivative //
// dx2 actually is (gradient - lag_gradient) / weight_change, since we dont care about the sign, just multiply //
return this._GradientWeight * Math.Sign(Link.GRADIENT) + this._MomentumWeight * Math.Sign((Link.GRADIENT - Link.GRADIENT_LAG) * Link.WEIGHT_CHANGE);
}
public abstract double WeightChange(NodeLink Link);
public override double WeightChange(NodeLink Link)
{
// Variables //
double s = 0;
double w = 0;
double d = 0;
s = Math.Sign(Link.GRADIENT * Link.GRADIENT_LAG);
d = Link.DELTA;
if (s > 0)
{
d = Math.Min(CEILING, this._UpAxon * d);
w = d * Math.Sign(Link.GRADIENT);
}
else if (s < 0)
{
d = Math.Max(FLOOR, this._DownAxon * d);
if (this._master.MSE > this._LagSSE) w = -Link.WEIGHT_CHANGE;
Link.GRADIENT = 0;
}
else
w = d * Math.Sign(Link.GRADIENT);
Link.DELTA_LAG = Link.DELTA;
Link.DELTA = d;
this._LagSSE = this._master.MSE;
return w;
}
public override double WeightChange(NodeLink Link)
{
// Variables //
double s = 0;
double w = 0;
double d = 0;
s = Math.Sign(Link.GRADIENT * Link.GRADIENT_LAG);
d = Link.DELTA;
if (s > 0)
d = Math.Min(CEILING, this._UpAxon * d);
else if (s < 0)
d = Math.Max(FLOOR, this._DownAxon * d);
w = d * Math.Sign(Link.GRADIENT);
Link.DELTA_LAG = Link.DELTA;
Link.DELTA = d;
return w;
}
