direction vector
Смотреть что такое "direction vector" в других словарях:
Direction vector — In mathematics, a direction vector that describes a line segment D is any vector where A and B are two distinct points on the line D. If v is a direction vector for D, so is kv for any nonzero scalar k; and these are in fact all of the direction… … Wikipedia
Vector resolute — The vector resolute (also known as the vector projection) of two vectors, mathbf{a} in the direction of mathbf{b} (also mathbf{a} on mathbf{b} ), is given by::(mathbf{a}cdotmathbf{hat b})mathbf{hat b} or (|mathbf{a}|cos heta)mathbf{hat b} where… … Wikipedia
Vector — may refer to: In mathematics * Euclidean vector, a geometric entity endowed with both length and direction, an element of a Euclidean vector space * Coordinate vector, in linear algebra, an explicit representation of an element of any abstract… … Wikipedia
Vector decomposition — refers to decomposing a vector of Rn into several vectors, each linearly independent (in mutually distinct directions in the n dimensional space). Vector decomposition in two dimensions In two dimensions, a vector can be decomposed in many ways.… … Wikipedia
Direction finding — (DF) refers to the establishment of the direction from which a received signal was transmitted. This can refer to radio or other forms of wireless communication. By combining the direction information from two or more suitably spaced receivers… … Wikipedia
Direction (geometry, geography) — Direction is the information contained in the relative position of one point with respect to another point without the distance information. Directions may be either relative to some indicated reference (the violins in a full orchestra are… … Wikipedia
vector — (n.) quantity having magnitude and direction, 1704, from L. vector one who carries or conveys, carrier, from pp. stem of vehere carry, convey (see VEHICLE (Cf. vehicle)) … Etymology dictionary
vector — [vek′tər] n. [ModL < L, bearer, carrier < vectus, pp. of vehere, to carry: see WAY] 1. Biol. an animal, esp. an insect, that transmits a disease producing organism from a host to a noninfected animal 2. Math. a) a mathematical expression… … English World dictionary
vector — ► NOUN 1) Mathematics & Physics a quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another. 2) an organism that transmits a particular disease or parasite from one animal or… … English terms dictionary
vector — vectorial /vek tawr ee euhl, tohr /, adj. vectorially, adv. /vek teuhr/, n. 1. Math. a. a quantity possessing both magnitude and direction, represented by an arrow the direction of which indicates the direction of the quantity and the length of… … Universalium
Vector field — In mathematics a vector field is a construction in vector calculus which associates a vector to every point in a (locally) Euclidean space.Vector fields are often used in physics to model, for example, the speed and direction of a moving fluid… … Wikipedia