Thiessenn.

/ˈθiːs(ə)n/

Etymology: < the name of Alfred Henry Thiessen (1872–1956), U.S. meteorologist.

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).

单词	thiessen
释义	Thiessenn. /ˈθiːs(ə)n/ Etymology: < the name of Alfred Henry Thiessen (1872–1956), U.S. meteorologist. 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). < n.1923
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