ellipsoidal harmonic

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• Lamé function — In mathematics, a Lamé function (or ellipsoidal harmonic function) is a solution of Lamé s equation, a second order ordinary differential equation. It was introduced in the paper harvs|first=Gabriel|last= Lamé|authorlink= Gabriel Lamé|year=1837.… …   Wikipedia

• Gabriel Lamé — (July 22, 1795 May 1, 1870) was a French mathematician. BiographyLamé was born in Tours, in today s département of Indre et Loire.He became well known for his general theory of curvilinear coordinates and his notation and study of classes of… …   Wikipedia

• geoid — geoidal, adj. /jee oyd/, n. 1. an imaginary surface that coincides with mean sea level in the ocean and its extension through the continents. 2. the geometric figure formed by this surface, an ellipsoid flattened at the poles. [1880 85; < Gk… …   Universalium

• Figure of the Earth — An oblate spheroid Geodesy …   Wikipedia

• Oblate spheroidal coordinates — Figure 1: Coordinate isosurfaces for a point P (shown as a black sphere) in oblate spheroidal coordinates (μ, ν, φ). The z axis is vertical, and the foci are at ±2. The red oblate spheroid (flattened sphere) corresponds to μ=1, whereas the blue… …   Wikipedia

• Spherical harmonics — In mathematics, the spherical harmonics are the angular portion of an orthogonal set of solutions to Laplace s equation represented in a system of spherical coordinates. Spherical harmonics are important in many theoretical and practical… …   Wikipedia

• Ellipse — Elliptical redirects here. For the exercise machine, see Elliptical trainer. This article is about the geometric figure. For other uses, see Ellipse (disambiguation). Not to be confused with ellipsis. An ellipse obtained as the intersection of a… …   Wikipedia

• Langevin equation — In statistical physics, a Langevin equation (Paul Langevin, 1908) is a stochastic differential equation describing the time evolution of a subset of the degrees of freedom. These degrees of freedom typically are collective (macroscopic) variables …   Wikipedia

• Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …   Wikipedia

• Geodetic system — For other uses, see Geodetic. Geodesy Fundamentals …   Wikipedia

• Figure De La Terre — La détermination de la figure de la Terre, autrement dit l étude de la forme de la surface externe du globe terrestre et de ses dimensions, constitue l une des tâches classiques de la géodésie. Elle fournit des informations essentielles pour la… …   Wikipédia en Français