public void GenerateFunction()
{
// Sort all the points
this.FunctionPoints = this.FunctionPoints.OrderBy(a => a.X).ToList();
// Get the coefficient matrix
var coefMtrx = GenerateCoefficientMatrix();
// Calculate the determinant of the coefficient matrix
double determinant = FunctionCalculator.Determinant(coefMtrx);
List <double> yValues = this.FunctionPoints.Select(a => a.Y).ToList();
List <double> valuesOfCoef = new List <double>();
for (int col = 0; col < this.FunctionPoints.Count; col++)
{
double[,] newMatrix = FunctionCalculator.ReplaceCol((double[, ])coefMtrx.Clone(), yValues, col);
double newDeterminant = FunctionCalculator.Determinant(newMatrix);
valuesOfCoef.Add(newDeterminant / determinant);
}
// Get function tree
TreeNode generatedTree = FunctionCalculator.GenerateFumcTreeFromCoefficients(valuesOfCoef);
// Create function
Function newFunction = new Function(generatedTree);
// Add Function to the rest
this.Window.Controller.AddFunction(newFunction);
// Draw the new function
this.Painter.DrawFunction(newFunction);
}
