tangent-and-normal coordinates
31Balanced flow — In atmospheric science, balanced flow is an idealisation of atmospheric motion. The idealisation consists in considering the behaviour of one isolated parcel of air having constant density, its motion on a horizontal plane subject to selected… …
32Directional derivative — In mathematics, the directional derivative of a multivariate differentiable function along a given vector V at a given point P intuitively represents the instantaneous rate of change of the function, moving through P in the direction of V. It… …
33Curl (mathematics) — Topics in Calculus Fundamental theorem Limits of functions Continuity Mean value theorem Differential calculus  Derivative Change of variables Implicit differentiation Taylor s theorem Related rates …
34Exponential map — In differential geometry, the exponential map is a generalization of the ordinary exponential function of mathematical analysis to all differentiable manifolds with an affine connection. Two important special cases of this are the exponential map …
35Christoffel symbols — In mathematics and physics, the Christoffel symbols, named for Elwin Bruno Christoffel (1829–1900), are numerical arrays of real numbers that describe, in coordinates, the effects of parallel transport in curved surfaces and, more generally,… …
36Stress (mechanics) — Continuum mechanics …
37Circumscribed circle — Circumscribed circle, C, and circumcenter, O, of a cyclic polygon, P In geometry, the circumscribed circle or circumcircle of a polygon is a circle which passes through all the vertices of the polygon. The center of this circle is called the… …
38Twisted cubic — In mathematics, a twisted cubic is a smooth, rational curve C of degree three in projective 3 space mathbb{P}^3. It is a fundamental example of a skew curve. It is essentially unique, up to projective transformation ( the twisted cubic,… …
39HLSL — (англ. High Level Shader Language) C подобный язык высокого уровня для программирования шейдеров. Был создан корпорацией Microsoft и включён в пакет DirectX 9.0 Содержание 1 Типы данных 1.1 скалярные типы …
40Illinois — This article is about the U.S. state of Illinois. For other uses, see Illinois (disambiguation). State of Illinois …
