- hyperbolic(-type) equation
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уравнение гиперболического типа
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
Hyperbolic partial differential equation — In mathematics, a hyperbolic partial differential equation is usually a second order partial differential equation (PDE) of the form :A u {xx} + 2 B u {xy} + C u {yy} + D u x + E u y + F = 0 with: det egin{pmatrix} A B B C end{pmatrix} = A C B^2 … Wikipedia
Differential equation — Not to be confused with Difference equation. Visualization of heat transfer in a pump casing, created by solving the heat equation. Heat is being generated internally in the casing and being cooled at the boundary, providing a steady state… … Wikipedia
Partial differential equation — A visualisation of a solution to the heat equation on a two dimensional plane In mathematics, partial differential equations (PDE) are a type of differential equation, i.e., a relation involving an unknown function (or functions) of several… … Wikipedia
Heat equation — The heat equation is an important partial differential equation which describes the distribution of heat (or variation in temperature) in a given region over time. For a function of three spatial variables ( x , y , z ) and one time variable t ,… … Wikipedia
Degasperis-Procesi equation — In mathematical physics, the Degasperis Procesi equation: displaystyle u t u {xxt} + 2kappa u x + 4u u x = 3 u x u {xx} + u u {xxx}is one of only two exactly solvable equations in the following family of third order, non linear, dispersive… … Wikipedia
Degasperis–Procesi equation — In mathematical physics, the Degasperis–Procesi equation is one of only two exactly solvable equations in the following family of third order, non linear, dispersive PDEs: where κ and b are real parameters (b=3 for the Degasperis–Procesi… … Wikipedia
Parabolic partial differential equation — A parabolic partial differential equation is a type of second order partial differential equation, describing a wide family of problems in science including heat diffusion and stock option pricing. These problems, also known as evolution problems … Wikipedia
Laplace invariant — In differential equations, the Laplace invariant of any of certain differential operators is a certain function of the coefficients and their derivatives. Consider a bivariate hyperbolic differential operator of the second order:partial x ,… … Wikipedia
VANTROYS — FRANCE (see also List of Individuals) 17.3.1911 Paris/F 24.1.1959 Paris/F Lucien Vantroys started his career in 1932 with the Hydrographic Service of the French Marine once having completed Ecole Polytechnique. In 1936 he was asked by the… … Hydraulicians in Europe 1800-2000
mathematics — /math euh mat iks/, n. 1. (used with a sing. v.) the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically. 2. (used with a sing. or pl. v.) mathematical procedures,… … Universalium
Conic section — Types of conic sections: 1. Parabola 2. Circle and ellipse 3. Hyperbola … Wikipedia