- direction cosines
- направляющие косинусы
Авиасловарь. М.А.Левин. 2004.
direction cosines
Смотреть что такое "direction cosines" в других словарях:
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 number — Math. the component of a vector along a given line; any number proportional to the direction cosines of a given line. * * * … Universalium
direction number — Math. the component of a vector along a given line; any number proportional to the direction cosines of a given line … Useful english dictionary
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 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
Law of cosines (spherical) — In spherical trigonometry, the law of cosines (also called the cosine rule for sides) is a theorem relating the sides and angles of spherical triangles, analogous to the ordinary law of cosines from plane trigonometry.Given a unit sphere, a… … Wikipedia
Monte Carlo method for photon transport — Modeling photon propagation with Monte Carlo methods is a flexible yet rigorous approach to simulate photon transport. In the method, local rules of photon transport are expressed as probability distributions which describe the step size of… … Wikipedia
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Euclidean vector — This article is about the vectors mainly used in physics and engineering to represent directed quantities. For mathematical vectors in general, see Vector (mathematics and physics). For other uses, see vector. Illustration of a vector … Wikipedia
Magnetic anisotropy — is the direction dependence of a material s magnetic properties. In the absence of an applied magnetic field, a magnetically isotropic material has no preferential direction for its magnetic moment while a magnetically anisotropic material will… … Wikipedia
