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ES : coordenada de un vector <br> |
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FR : cordonnée d'un vecteur <br> |
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EN : coordinate of a vector |
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---------------- |
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$`\overrightarrow{U} \cdot \overrightarrow{V}`$ <br> |
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ES : producto escalar <br> |
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FR : produit scalaire <br> |
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EN : scalar product (= dot product) |
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--------------------- |
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ES : orientación del espacio, triedro directo, triedro inverso <br> |
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FR : orientation de l'espace, trièdre direct, trièdre inverse (ou rétrograde ou indirect ) <br> |
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EN : space orientation, right-handed trihedron, left-handed trihedron |
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------------------------ |
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$`\overrightarrow{U} \times \overrightarrow{V}`$ <br> |
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ES : producto vectorial (= producto externo) <br> |
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FR : produit vectoriel (=produit extérieur) , |
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$`U \land V`$ est déconseillé... <br> |
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EN : vector product |
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------------------------ |
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ES : contorno cerrado orientado <br> |
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FR : contour fermé, courbe fermée orientée <br> |
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EN : closed path, oriented closed curve |
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--------------------------- |
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ES : superficie cerrada <br> |
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FR : surface fermée <br> |
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EN : closed surface |
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-------------------------- |
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$`\displaystyle\oiint \overrightarrow{V} \cdot \overrightarrow{dS}`$ , or $`\displaystyle\iint \overrightarrow{V} \cdot \overrightarrow{dS}`$ <br> |
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ES : flujo de un vector <br> |
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FR : flux d'un vecteur <br> |
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EN : flux of a vector |
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----------------------- |
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$`\displaystyle\oint \overrightarrow{V} \cdot \overrightarrow{dr}`$ , or $`\displaystyle\int \overrightarrow{V} \cdot \overrightarrow{dr}`$ <br> |
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ES : circulación de un vector <br> |
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FR : circulation d'un vecteur <br> |
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EN : circulation of a vector |
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------------------------- |
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$`dA = dx \, dy`$ <br> |
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ES : elemento escalar de superficie <br> |
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FR : élément scalaire de surface (= surface élémentaire, surface infinitésimale) <br> |
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EN : scalar surface element |
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------------------------- |
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$`\overrightarrow{dA} = \overrightarrow{e_n}\;dA = \overrightarrow{n}\;dA `$ <br> |
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ES : elemento vectorial de superficie <br> |
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FR : élément vectoriel de surface <br> |
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EN : vector surface element |
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-------------------------- |
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ES : vector axial / vector polar <br> |
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FR : vecteur axial (= pseudo vecteur) / vecteur polaire (= vecteur vrai) <br> |
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EN : axial vector (= space-oriented vector) / polar vector |
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------------------------- |
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ES : sistema de coordenadas cartesianas <br> |
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FR : système de coordonnées cartésiennes <br> |
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EN : Cartesian coordinate system |
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-------------------------- |
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$`\nabla =\vec{e_x}\,\dfrac{\partial}{\partial x} + \vec{e_y}\,\dfrac{\partial}{\partial y} |
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+\vec{e_z}\,\dfrac{\partial}{\partial z}`$ |
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, or |
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$`\nabla = \overrightarrow{e_x}\,\dfrac{\partial}{\partial x}+\overrightarrow{e_y}\,\dfrac{\partial}{\partial y} |
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+\overrightarrow{e_z}\,\dfrac{\partial}{\partial z}`$ |
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, or more |
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$`\overrightarrow{\nabla} = \overrightarrow{e_x}\,\dfrac{\partial}{\partial x}+\overrightarrow{e_y}\,\dfrac{\partial}{\partial y} |
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+\overrightarrow{e_z}\,\dfrac{\partial}{\partial z} `$ <br> |
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ES : operador nabla <br> |
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FR : opérateur nabla <br> |
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EN : nabla operator |
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$`\overrightarrow{grad} f = \nabla f`$, $`\overrightarrow{\nabla}f`$ better, no? <br> |
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ES : gradiente <br> |
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FR : gradient <br> |
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EN : gradient |
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-------------------------- |
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$`div\;\overrightarrow{U}= \nabla \cdot \overrightarrow{U}`$ , $`div\;\overrightarrow{U}= \overrightarrow{\nabla} \cdot \overrightarrow{U}`$ <br> |
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ES : divergencia <br> |
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FR : divergence <br> |
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EN : divergence <br> |
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$`div\;\overrightarrow{U}=\lim_{V\leftrightarrow0}\;\dfrac{1}{V}\;\displaystyle\oiint_{S\leftrightarrow V}\overrightarrow{U}\cdot\overrightarrow{dS}`$ |
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------------------- |
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$`rot\,\overrightarrow{U}`$, but $`\overrightarrow{rot}\,\overrightarrow{U}`$ better, no? <br> |
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in some English texts : $`curl\times\overrightarrow{U}`$ <br> |
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$`\overrightarrow{\nabla}\times\overrightarrow{U}`$ or $`\overrightarrow{\nabla}\land\overrightarrow{U}`$ <br> |
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ES : rotacional de un vector <br> |
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FR : rotationnel d'un vecteur <br> |
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EN : rotation of a vector (= curl of a vector ) |
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$`\Delta f = div\;\overrightarrow{grad}\,f `$, $`\Delta\,f = \overrightarrow{\nabla}\cdot\overrightarrow{\nabla}f `$ <br> |
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ES : operador laplaciana escalar, laplaciana escalar, laplaciana de un campo escalar <br> |
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FR : opérateur laplacien scalaire, laplacien scalaire, laplacien d'un champ scalaire <br> |
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EN : laplacian operator, laplacian of a scalar field <br> |
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ES : en coordenadas cartesianas ortonormalas<br> |
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FR : en coordonnées cartésiennes orthonormées : <br> |
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EN : in orthonormal Cartesian coordinate : <br> |
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$`\Delta = \dfrac{\partial^2}{\partial x^2}+\dfrac{\partial^2}{\partial y^2}+\dfrac{\partial^2}{\partial z^2}`$ |
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-------------------------- |
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$`\Delta\;\overrightarrow{U} = \overrightarrow{grad}\left( div\,\overrightarrow{U}\right) - \overrightarrow{rot}\left(\overrightarrow{rot}\,\overrightarrow{U}\right)`$ <br> |
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$`\Delta\;\overrightarrow{U} = \overrightarrow{grad}\;div\;\overrightarrow{U} - \overrightarrow{rot}\;\overrightarrow{rot}\;\overrightarrow{U}`$ <br> |
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ES : operador laplaciana vectorial, laplaciana vectorial, laplaciana de un campo vectorial <br> |
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FR : opérateur laplacien, laplacien, d'un champ scalaire ou d'un champ vecoriel <br> |
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EN : laplacian operator, vectorial laplacian, laplacian of a vector field <br> |
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in orthonormal Cartesian coordinate : <br> |
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$`\Delta\;\overrightarrow{U} = \overrightarrow{e_x}\left(\dfrac{\partial^2\;U_x}{\partial x^2}+\dfrac{\partial^2\;U_x}{\partial y^2}+\dfrac{\partial^2\;U_x}{\partial z^2}\right) |
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+\overrightarrow{e_y}\left(\dfrac{\partial^2\;U_y}{\partial x^2}+\dfrac{\partial^2\;U_y}{\partial y^2}+\dfrac{\partial^2\;U_y}{\partial z^2}\right) |
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+\overrightarrow{e_z}\left(\dfrac{\partial^2\;U_z}{\partial x^2}+\dfrac{\partial^2\;U_z}{\partial y^2}+\dfrac{\partial^2\;U_z}{\partial z^2}\right)`$ <br> |
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$`\Delta\;\overrightarrow{U} = \left | |
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\begin{array} {r} |
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\dfrac{\partial^2\;U_x}{\partial x^2}+\dfrac{\partial^2\;U_x}{\partial y^2}+\dfrac{\partial^2\;U_x}{\partial z^2} \\[4mm] |
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\dfrac{\partial^2\;U_y}{\partial x^2}+\dfrac{\partial^2\;U_y}{\partial y^2}+\dfrac{\partial^2\;U_y}{\partial z^2} \\[4mm] |
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\dfrac{\partial^2\;U_z}{\partial x^2}+\dfrac{\partial^2\;U_z}{\partial y^2}+\dfrac{\partial^2\;U_z}{\partial z^2} |
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\end{array} |
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\right.`$ |
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$`\Delta\;\overrightarrow{U} = \left | |
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\begin{matrix} |
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\dfrac{\partial^2\;U_x}{\partial x^2}+\dfrac{\partial^2\;U_x}{\partial y^2}+\dfrac{\partial^2\;U_x}{\partial z^2} \\[4mm] |
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\dfrac{\partial^2\;U_y}{\partial x^2}+\dfrac{\partial^2\;U_y}{\partial y^2}+\dfrac{\partial^2\;U_y}{\partial z^2} \\[4mm] |
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\dfrac{\partial^2\;U_z}{\partial x^2}+\dfrac{\partial^2\;U_z}{\partial y^2}+\dfrac{\partial^2\;U_z}{\partial z^2} |
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\end{matrix} |
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\right.`$ |
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--------------------------- |
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ES : escalar = número real o complexo + unidad de medida? <br> |
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FR : scalaire = nombre réel ou complexe + unité de mesure <br> |
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EN : scalar = real or complex number + measurement unit |
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---------------------------- |
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ES : magnitud escalar = número real o complexo + unidad de medida? <br> |
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FR : grandeur scalaire (= grandeur physique scalaire) = nombre réel ou complexe + unité de mesure <br> |
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EN : scalar quantity = real or complex number + measurement unit |
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