Sökning: "Hang Zettervall"

Hittade 2 avhandlingar innehållade orden Hang Zettervall.

  1. 1. Fuzzy and Rough Set Theory in Treatment of Elderly Gastric Cancer Patients

    Författare :Hang Zettervall; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP;

    Sammanfattning : Fuzzy set theory was presented for the first time by Professor Lotfi A. Zadeh from Berkeley University in 1965. In conventional binary logic a statement can be true or false, and there is no place for even a little uncertainty in this judgment. An element either belongs to a set or does not. LÄS MER

  2. 2. Fuzzy Set Theory Applied to Make Medical Prognoses for Cancer Patients

    Författare :Hang Zettervall; Blekinge Tekniska Högskola; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; Fuzzy set theory; the Mamdani fuzzy control system; the Sugeno controller; fuzzy c-means clustering analysis; point set approximation; linguistic models; the 2-tuple linguistic representations; the hesitant fuzzy linguistic term sets;

    Sammanfattning : As we all know the classical set theory has a deep-rooted influence in the traditional mathematics. According to the two-valued logic, an element can belong to a set or cannot. In the former case, the element’s membership degree will be assigned to one, whereas in the latter case it takes the zero value. LÄS MER