public void Run(int interationCount = 0)
{
var condition = new RegressionStopCondition(_precision, interationCount);
while (condition.Check(ApproximationError))
{
MakeIteration();
if (CurrentIteration <= MaxIterationCount)
{
continue;
}
_success = false;
break;
}
if (!InConstant.Exists(double.IsNaN) && !InConstant.Exists(double.IsInfinity))
{
return;
}
_success = false;
}
/// <summary>
/// Rebuilds the tree nodes
/// </summary>
/// <param name="node">Tree (root node)</param>
/// <param name="replaceConstant">
/// Replaces all of the constants by new variables when true.
/// Replaces all of the new variables by calculated contants from _inContants list when false.
/// </param>
private void RebuildTree(INode node, bool replaceConstant)
{
if (node.HasChildren())
{
foreach (var child in node.Children)
{
RebuildTree(child, replaceConstant);
}
return;
}
int childIndex;
INode newVar;
if (node is Constant && replaceConstant)
{
InConstant.Add(Double.Parse(node.ToString()));
childIndex = node.Parent.IndexOfChild(node);
newVar = VariableNode.Make <double>(_index, VarName + (InConstant.Count - 1));
node.Parent.Children[childIndex] = newVar;
_index++;
}
if (!(node is VariableNode) || replaceConstant)
{
return;
}
if (((VariableNode)node).Index < _index - InConstant.Count)
{
return;
}
childIndex = node.Parent.IndexOfChild(node);
newVar = new Constant <double>(InConstant[((VariableNode)node).Index - (_index - InConstant.Count)]);
node.Parent.Children[childIndex] = newVar;
}
