单词 | thiessen |
释义 | Thiessenn. Geography and Mathematics. Used attributively to designate various concepts relating to Thiessen's method of analysing spatial distributions, esp. as Thiessen polygon n. each of the polygons constructed around a set of points by drawing the perpendicular bisectors of the lines between each point and its neighbours, which have the property that every location in the polygon constructed around a particular point is nearer to it than to any other such point. ΘΚΠ the world > relative properties > number > mathematics > [adjective] > characterized by theories of or approaches to physico-mathematical1660 analytical1694 Bernoulli1749 analytic1761 Boolean1851 Sturmian1853 Bernoullian1876 Fermatian1887 Grassmannian1894 number-theoretic1899 Cantor1902 Cantorian1912 Tauberian1913 Thiessen1923 intuitionist1926 metamathematical1926 finitist1931 number-theoretical1936 finitistic1937 proof-theoretic1940 formalistic1941 Gödelian1942 constructivist1943 constructivistic1944 game-theoretical1946 game-theoretic1950 finitary1952 perturbation-theoretic1964 perturbation-theoretical1968 constructive1979 the world > relative properties > number > geometry > shape or figure > [noun] > two-dimensional > polygon polygon?a1560 multangle1590 polyangle1612 totangle1629 totilater1629 polygram1696 polygonial1702 multangular1766 polygon of forces1820 polygon of velocities1882 Thiessen polygon1973 1923 R. E. Horton in Monthly Weather Rev. (U.S.) 51 349/1 The true average rainfall was assumed to equal the arithmetic mean of all the records. This was checked by the application of the Thiessen method. 1949 Wisler & Brater Hydrology iv. 86 Thiessen mean, in the application of this method, adjacent stations are joined by straight lines... Perpendicular bisectors are erected on each of these lines thereby forming a series of polygons, each containing one and only one rainfall station. 1973 D. Rhynsberger in Geogr. Analysis V. ii. 133 (heading) Analytic delineation of Thiessen polygons. 1983 Sci. Amer. Nov. 132/2 If one draws lines midway between the monuments to divide the landscape into separate units (a process geographers call forming Thiessen polygons), one finds that with few exceptions the landscape is divided into roughly equal productive units. 1984 Rocky Mountain Jrnl. Math. 14 i. 123 Thiessen regions are also referred to in the literature as tiles and polygons, and have been associated with the names Dirichlet and Voronoi. This entry has not yet been fully updated (first published 1993; most recently modified version published online March 2020). < |
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