phi-function
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phi-function — /fuy fungk sheuhn/, n. Math. See Euler s phi function … Useful english dictionary
Euler's phi-function — Math. the function that assigns to each integer the number of positive integers less than the given integer and relatively prime to the given integer. Also called phi function. [named after L. EULER] * * * … Universalium
Euler's phi-function — Math. the function that assigns to each integer the number of positive integers less than the given integer and relatively prime to the given integer. Also called phi function. [named after L. EULER] … Useful english dictionary
Phi (letter) — Phi (uppercase Φ, lowercase φ or Unicode|ϕ), pronounced [IPA|fī] in modern Greek and as [IPA|faɪ] in English, is the 21st letter of the Greek alphabet. In modern Greek, it represents [IPA|f] , a voiceless labiodental fricative. In Ancient Greek… … Wikipedia
Phi — could refer to:*Phi, the Greek letter Φ,φ *The Golden ratio *Euler s totient function *Phi phenomenon *A statistical measure of association reported with the chi square test *Phi, Thai demon spirits, such as Phi Song Nang (succubi) *A function in … Wikipedia
Phi value analysis — is an experimental protein engineering method used to study the structure of the folding transition state in small protein domains that fold in a two state manner. Since the folding transition state is by definition a transient and partially… … Wikipedia
Phi Beta Sigma — Infobox Fraternity letters = ΦΒΣ name = Phi Beta Sigma motto = Culture For Service and Service For Humanity free label = Principles free = Brotherhood, Scholarship, and Service crest = founded = Birth date and age|1914|01|9 type = Social scope =… … Wikipedia
Phi Kappa National Fraternity — Infobox Fraternity letters = ΦK name = Phi Kappa motto = crest = founded = February 3,1900 charterdate= chartercity= type = Social scope = National address = symbol = Scimitar city = state = country = United States colors = Purple and White free… … Wikipedia
Phi coefficient — In statistics, the phi coefficient (also referred to as the mean square contingency coefficient and denoted by φ or rφ) is a measure of association for two binary variables introduced by Karl Pearson[1]. This measure is similar to the Pearson… … Wikipedia
PHI-base — The Pathogen Host Interaction database (PHI base) contains expertly curated molecular and biological information on genes proven to affect the outcome of pathogen host interactions. The database was created and is maintained by researchers at… … Wikipedia
