/// <summary>
/// Determine how much the current neuron should be affected by training
/// based on its proximity to the winning neuron.
/// </summary>
/// <param name="currentNeuron"> THe current neuron being evaluated.</param>
/// <param name="bestNeuron">The winning neuron.</param>
/// <returns>The ratio for this neuron's adjustment.</returns>
public double Function(int currentNeuron, int bestNeuron)
{
var d = new double[1];
d[0] = currentNeuron - bestNeuron;
return(_radial.Evaluate(d));
}
/// <summary>
/// Calculate the value for the multi RBF function.
/// </summary>
/// <param name="currentNeuron">The current neuron.</param>
/// <param name="bestNeuron">The best neuron.</param>
/// <returns>
/// A percent that determines the amount of training the current
/// neuron should get.Usually 100% when it is the bestNeuron.
/// </returns>
public double Function(int currentNeuron, int bestNeuron)
{
var vector = new double[_displacement.Length];
var vectorCurrent = TranslateCoordinates(currentNeuron);
var vectorBest = TranslateCoordinates(bestNeuron);
for (var i = 0; i < vectorCurrent.Length; i++)
{
vector[i] = vectorCurrent[i] - vectorBest[i];
}
if (_hexagon)
{
var row = vector[1];
var col = vector[0];
double evenIndent = 1;
var oddIndent = 2.5;
var indent = row % 2 == 1 ? oddIndent : evenIndent;
vector[1] = (int)(SQ75 + row * SQ75);
vector[0] = (int)(indent + 3 * col);
}
return(_rbf.Evaluate(vector));
}
/// <summary>
/// Calculate the value for the multi RBF function.
/// </summary>
/// <param name="currentNeuron">The current neuron.</param>
/// <param name="bestNeuron">The best neuron.</param>
/// <returns>A percent that determines the amount of training the current
/// neuron should get.Usually 100% when it is the bestNeuron.
/// </returns>
public double Function(int currentNeuron, int bestNeuron)
{
double[] vector = new double[_displacement.Length];
int[] vectorCurrent = TranslateCoordinates(currentNeuron);
int[] vectorBest = TranslateCoordinates(bestNeuron);
for (int i = 0; i < vectorCurrent.Length; i++)
{
vector[i] = vectorCurrent[i] - vectorBest[i];
}
if (_hexagon)
{
double row = vector[1];
double col = vector[0];
double evenIndent = 1;
double oddIndent = 2.5;
double indent = ((row % 2 == 1) ? oddIndent : evenIndent);
vector[1] = (int)(SQ75 + (row * SQ75));
vector[0] = (int)(indent + (3 * col));
}
return(_rbf.Evaluate(vector));
}