/**
* Defuzzify a set using the Mean of Maximums aproximation function
* if it fails it returns -1 (which may be a valid answer)
*/
/// <summary>
/// Defizzify a FuzzySet and get its MEAN OF MAXIMUMS
/// </summary>
/// <param name="fs"></param>
/// <returns>Mean of Maximums</returns>
public static double DeFuzzifyMOM(FuzzySet fs)
{
if (fs == null) { return -1; }
if (fs.Invalid()) { fs.Err = 10; return -1; }
double m = fs.GetMaxSetValue();
double sumTop = 0;
double sumBottom = 0;
double w;
int i;
for (i = 0; i < fs.GetNumPoints(); i++)
{
if (AEqual(fs.SetValue[i], m))
{
w = fs.WorldValue[i];
sumTop = sumTop + w;
sumBottom = sumBottom + 1;
}
}
if (AEqual(0, sumBottom)) { fs.Err = 15; return -1; }
return sumTop / sumBottom;
}
