determining element
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element — [el′ə mənt] n. [ME < OFr < L elementum, first principle, element] 1. any of the four substances (earth, air, fire, and water) formerly believed to constitute all physical matter 2. any of these four substances thought of as the natural… … English World dictionary
Determining the number of clusters in a data set — Determining the number of clusters in a data set, a quantity often labeled k as in the k means algorithm, is a frequent problem in data clustering, and is a distinct issue from the process of actually solving the clustering problem. For a certain … Wikipedia
element — noun Etymology: Middle English, from Anglo French & Latin; Anglo French, from Latin elementum Date: 13th century 1. a. any of the four substances air, water, fire, and earth formerly believed to compose the physical universe b. plural weather… … New Collegiate Dictionary
Element uniqueness problem — The element uniqueness problem is a fundamental problem in computational complexity theory, being a problem for which a direct proof exists [ [http://ru linux geek.livejournal.com/35523.html A proof I will never forget: An algorithms story] ]… … Wikipedia
determining factor — noun 1. a determining or causal element or factor (Freq. 1) education is an important determinant of one s outlook on life • Syn: ↑determinant, ↑determiner, ↑determinative, ↑causal factor • Derivationally related forms: ↑ … Useful english dictionary
element — I (New American Roget s College Thesaurus) n. component, part, substance, constituent, ingredient; factor, principle, rudiment, fundamental. See cause, composition. II (Roget s IV) n. 1. [A part] Syn. component, constituent, factor, ingredient,… … English dictionary for students
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
Discrete element method — A discrete element method (DEM), also called a distinct element method is any of family of numerical methods for computing the motion of a large number of particles of micrometre scale size and above. Though DEM is very closely related to… … Wikipedia
rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 … Universalium
nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… … Universalium
