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orthogonal axes

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  • Orthogonal — Orthogonalité L équation régissant la propagation de la chaleur se résout à l aide de l orthogonalité dans un espace de dimension infinie. En mathématiques, l orthogonalité est un concept d algèbre linéaire associé à une forme bilinéaire. Un cas… …   Wikipédia en Français

  • Orthogonal matrix — In linear algebra, an orthogonal matrix (less commonly called orthonormal matrix[1]), is a square matrix with real entries whose columns and rows are orthogonal unit vectors (i.e., orthonormal vectors). Equivalently, a matrix Q is orthogonal if… …   Wikipedia

  • Orthogonal coordinates — In mathematics, orthogonal coordinates are defined as a set of d coordinates q = (q1, q2, ..., qd) in which the coordinate surfaces all meet at right angles (note: superscripts are indices, not exponents). A coordinate surface for a particular… …   Wikipedia

  • Orthogonal convex hull — The orthogonal convex hull of a point set In Euclidean geometry, a set is defined to be orthogonally convex if, for every line L that is parallel to one of the axes of the Cartesian coordinate system, the intersection of K with L is empty, a… …   Wikipedia

  • orthogonal — or·thog·o·nal ȯr thäg ən əl adj 1 a) lying or intersecting at right angles b) being, using, or made with three ECG leads whose axes are perpendicular to each other and to the frontal, horizontal, and sagittal axes of the body <the three… …   Medical dictionary

  • orthogonal — orthogonality, n. orthogonally, adv. /awr thog euh nl/, adj. 1. Math. a. Also, orthographic. pertaining to or involving right angles or perpendiculars: an orthogonal projection. b. (of a system of real functions) defined so that the integral of… …   Universalium

  • orthogonal — /ɔˈθɒgənəl/ (say aw thoguhnuhl) adjective 1. Mathematics relating to or involving right angles or perpendicular lines: an orthogonal projection. 2. Crystallography referable to a rectangular set of axes. {obsolete orthogon(ium) (from Late Latin,… …   Australian-English dictionary

  • orthogonal — or•thog•o•nal [[t]ɔrˈθɒg ə nl[/t]] adj. 1) math. Also, orthographic 2) Math. pertaining to or involving right angles or perpendiculars. 2) cry Crystall. referable to a rectangular set of axes • Etymology: 1565–75; obs. orthogon(ium) right… …   From formal English to slang

  • orthohexagonal axes — |ȯ(r)(ˌ)thō+... noun plural Etymology: orthohexagonal from orth + hexagonal : a set of orthogonal axes with a fixed ratio (1: √3 ) between two of them used occasionally in descriptions of and in calculations for hexagonal or trigonal crystals …   Useful english dictionary

  • Hyperbolic-orthogonal — In mathematics, two points in the Cartesian plane are hyperbolically orthogonal if the slopes of their rays from the origin are reciprocal to one another.If the points are ( x , y ) and ( u , v ), then they are hyperbolically orthogonal if : y /… …   Wikipedia

  • Diffusion MRI — Diagnostics DTI Color Map MeSH D038524 Diffusion MRI is a mag …   Wikipedia

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