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coordinate direction

См. также в других словарях:

  • Coordinate surface — The coordinate surfaces of a three dimensional coordinate system are the surfaces on which a particular coordinate of the system is constant, while the coordinate lines are the curves along which two of the coordinates of the system are constant …   Wikipedia

  • 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

  • coordinate system — Math. any method that uses numbers to represent a point, line, or the like. * * * Arrangement of reference lines or curves used to identify the location of points in space. In two dimensions, the most common system is the Cartesian (after René… …   Universalium

  • direction angle — noun : an angle made by a given line with an axis of reference; specifically : one of the three angles made by a straight line with the three axes of a rectangular coordinate system * * * Math. an angle made by a given vector and a coordinate… …   Useful english dictionary

  • direction cosine — noun : one of the cosines of the three angles between a directed line in space and the positive directions of the axes of a rectangular Cartesian coordinate system usually used in plural * * * Math. the cosine of the angle made by a given vector… …   Useful english dictionary

  • Direction cosine — In analytic geometry, the direction cosines of a vector are the cosines of the angles between the vector and the three coordinate axes. Or equivalently it is the component contributions to the unit vector. If v is a vector where is a basis. Then… …   Wikipedia

  • Direction Centrale de la Police Judiciaire — The Direction Centrale de la Police Judiciaire (DCPJ) is the national authority of the criminal division of the French Police nationale. Its function is to lead and coordinate the action of the law enforcement forces (Police Nationale and… …   Wikipedia

  • direction cosine — noun Date: circa 1889 any of the cosines of the three angles between a directed line in space and the positive direction of the axes of a rectangular Cartesian coordinate system usually used in plural …   New Collegiate Dictionary

  • direction angle — Math. an angle made by a given vector and a coordinate axis. Cf. direction cosine. [1930 35] * * * …   Universalium

  • direction cosine — Math. the cosine of the angle made by a given vector and a coordinate axis. Cf. direction angle. [1890 95] * * * …   Universalium

  • direction angle — noun Date: 1882 an angle made by a given line with an axis of reference; specifically such an angle made by a straight line with the three axes of a rectangular Cartesian coordinate system usually used in plural …   New Collegiate Dictionary

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