cosine phi
81Radiosite — Radiosité Scène avec des verres calculée par POV Ray, utilisant la radiosité, les photons, la profondeur de champ, et d autres effets. La radiosité est une technique de calcul d éclairage (ou illumination) d une scène 3D. Elle utilise les… …
82Radiosité — Scène avec des verres calculée par POV Ray, utilisant la radiosité, les photons, la profondeur de champ, et d autres effets. La radiosité, ou plus exactement la radiance, est une technique de calcul d éclairage (ou illumination) d une scène 3D.… …
83Cylindrical equal-area projection — of the world; standard parallel at 40°N …
84Cauchy distribution — Not to be confused with Lorenz curve. Cauchy–Lorentz Probability density function The purple curve is the standard Cauchy distribution Cumulative distribution function …
85Gradient — In vector calculus, the gradient of a scalar field is a vector field which points in the direction of the greatest rate of increase of the scalar field, and whose magnitude is the greatest rate of change.A generalization of the gradient for… …
86Transfer function — A transfer function (also known as the system function[1] or network function) is a mathematical representation, in terms of spatial or temporal frequency, of the relation between the input and output of a linear time invariant system. With… …
87Helmholtz equation — The Helmholtz equation, named for Hermann von Helmholtz, is the elliptic partial differential equation:( abla^2 + k^2) A = 0where abla^2 is the Laplacian, k is a constant, and the unknown function A=A(x, y, z) is defined on n dimensional… …
88von Mises distribution — von Mises Probability density function The support is chosen to be [ π,π] with μ=0 Cumulative distribution function The support is chosen to be [ π,π] with μ=0 …
89Hyperbola — This article is about a geometrical curve, a conic section. For the term used in rhetoric, see Hyperbole …
90Lock-in amplifier — A lock in amplifier (also known as a phase sensitive detector) is a type of amplifier that can extract a signal with a known carrier wave from extremely noisy environment (S/N ratio can be as low as 60 dB or even lessFact|date=December 2007). It… …
