public List <OptimizationVariable> CalculateCoordinateSearch(out double functionResult, double epselon)
{
List <Variable> currentVariables = new List <Variable>();
double[] shifts = new double[this.StartVariables.Count * 2];
for (int i = 0; i < this.StartVariables.Count; i++)
{
currentVariables.Add(new Variable(this.StartVariables[i].Name, this.StartVariables[i].Value));
shifts[i] = 0;
}
int currenIteration = 0;
double oldValue, newValue;
do
{
oldValue = this.Function.GetResultValue(currentVariables);
for (int i = 0; i < this.StartVariables.Count; i++)
{
currentVariables[i].Value += this.CalculationStep;
shifts[i * 2] = this.Function.GetResultValue(currentVariables);
currentVariables[i].Value -= 2 * this.CalculationStep;
shifts[i * 2 + 1] = this.Function.GetResultValue(currentVariables);
currentVariables[i].Value += this.CalculationStep;
}
int minimalShiftIndex = this.GetMinIndex(shifts);
int parameterIndex = minimalShiftIndex / 2;
if (minimalShiftIndex % 2 == 0)
{
currentVariables[parameterIndex].Value += this.CalculationStep;
}
else
{
currentVariables[parameterIndex].Value -= this.CalculationStep;
}
newValue = this.Function.GetResultValue(currentVariables);
currenIteration++;
} while (Math.Abs(newValue - oldValue) > epselon && currenIteration < this.MaxIterationCount);
List <OptimizationVariable> result = OptimizationVariable.ConvertVariablesToOptimizationVariables(currentVariables);
functionResult = newValue;
return(result);
}
public List <OptimizationVariable> CalculateBrouteForce(out double functionResult)
{
List <OptimizationVariable> result = new List <OptimizationVariable>();
this.broutForceMin = double.MaxValue;
this.brouteForceResult = new List <Variable>();
this.currentBrouteForceParameters = new List <Variable>();
foreach (OptimizationVariable variable in this.StartVariables)
{
this.brouteForceResult.Add(new Variable(variable.Name, variable.Value));
this.currentBrouteForceParameters.Add(new Variable(variable.Name, variable.Value));
}
this.BustOptions(0);
result = OptimizationVariable.ConvertVariablesToOptimizationVariables(this.brouteForceResult);
functionResult = this.broutForceMin;
return(result);
}