HFNSHeart Failure Nurse Specialist (cardiology)
HFNSHoly Family of Nazareth School (Irving, TX)
HFNSHot Flashes and Night Sweats (medical symptoms)
HFNSHigh-Flux Neutron Source
HFNSHousehold Food and Nutritional Security (International Fund for Agricultural Development and Belgian Survival Fund joint program)
HFNSHemorrhagic Fever with Nephrotic Syndrome
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References in periodicals archive ?
Let h [member of] HFNs, and s(h) = (1/#h)[[SIGMA].sub.[gamma][member of]h] [gamma] is called the score function of h, where #h is the number of elements in h.
Let [h.sub.1] = {0.3, 0.5, 0.6}, [h.sub.2] = {0.4, 0.7} be two HFNs. According to Definition 13, s([h.sub.1]) = (1/3)x(0.3+0.5+ 0.6) = 0.4667, s([h.sub.2]) = 0.55, s([h.sub.2]) > s([h.sub.1]), so [h.sub.2] > [h.sub.1].
It is noteworthy that if X contains only one element, then E is called a hesitant fuzzy number (HFN), briefly denoted by E = {[h.sub.E](x)}.