|
public expectationValue ( double>.Func |
||
| f | double>.Func | |
| inRange | double>.Func | |
| Результат | int>.KeyValuePair | |
public KeyValuePair<double, int> expectationValue(Func<KeyValuePair<double, double>, double> f,
Func<KeyValuePair<double, double>, bool> inRange)
{
double num = 0.0, den = 0.0;
int N = 0;
foreach(KeyValuePair<double,double> x in samples_.Where<KeyValuePair<double,double>>(x => inRange(x))) {
num += f(x)*x.Value;
den += x.Value;
N += 1;
}
if (N == 0) return new KeyValuePair<double,int>(0,0);
else return new KeyValuePair<double,int>(num/den,N);
}