Enn static method
计算E10,E11,E20等,即:某一组周期项或泊松项算出,计算前先设置EnnT时间
@param F F @return 计算E10, E11, E20等
Implementation
static double Enn(List<double> F) {
double v = 0;
for (int i = 0; i < F.length; i += 3)
v += F[i] * cos(F[i + 1] + EnnT * F[i + 2]);
return v;
}