plucker
11plucker — noun /ˈplʌkə(r)/ One who plucks. Irishman Vincent Pilkington is the worlds fastest turkey plucker at one minute and 30 seconds. He once plucked 244 turkeys in 24 hours …
12Plucker matrix — Plucker matrices are a representation of a line used in relation to 3D homogeneous coordinates. Specifically, a Plucker matrix is a 4 times;4 skew symmetric homogeneous matrix, defined as mathbf{P} = AB^T BA^T, where A and B are two homogeneous… …
13Plucker tube — Pl[ u]ck er tube [So named after Julius Pl[ u]cker, a German physicist.] (Physics) (a) A vacuum tube, used in spectrum analysis, in which the part through which the discharge takes place is a capillary tube, thus producing intense incandescence… …
14Plücker coordinates — In geometry, Plücker coordinates, introduced by Julius Plücker in the 19th century, are a way to assign six homogenous coordinates to each line in projective 3 space, P 3. Because they satisfy a quadratic constraint, they establish a one to one… …
15Plücker, Julius — ▪ German mathematician and physicist born June 16, 1801, Elberfeld, Duchy of Berg [Germany] died May 22, 1868, Bonn German mathematician and physicist who made fundamental contributions to analytic (analytic geometry) and projective… …
16Plücker-Matrix — Eine Plücker Matrix ist eine spezielle schiefsymmetrische reelle Matrix, die eine Gerade im vierdimensionalen projektiven Raum charakterisiert. Da sie auf homogenen Koordinaten beruht, ist sie bis auf einen von Null verschiedenen reellen Faktor… …
17Plücker embedding — In the mathematical fields of algebraic geometry and differential geometry (as well as representation theory), the Plücker embedding describes a method to realise the Grassmannian of all k dimensional subspaces of a vector space V , such as R n… …
18Plücker formula — In mathematics, a Plücker formula is one of an extensive family of counting formulae, of a type first developed in the 1830s by Julius Plücker, that relate the extrinsic geometry of algebraic curves in projective space to intrinsic invariants… …
19Plücker-Röhre — Plụ̈|cker Röh|re [nach dem dt. Mathematiker u. Physiker J. Plücker (1801–1868)]: svw. ↑ Geißler Röhre …
20plücker tube — ˈpli]kə(r) , lu̇] noun Usage: usually capitalized P Etymology: after Julius Plücker died 1868 German mathematician and physicist : a gas filled discharge tube with a narrowly constricted straight portion in which the intensified luminosity adapts …
