Coordonnées sphériques

In mathematics, a spherical coordinate system is a coordinate system for three-dimensional space where the position of a point is specified by three numbers: the radial distance of that point from a fixed origin; its polar angle measured from a fixed polar axis or zenith direction; and the azimuthal angle of its orthogonal projection on a reference plane that passes through the origin and is orthogonal to the fixed axis, measured from another fixed reference direction on that plane.

In geometry, a coordinate system is a system that uses one or more numbers, or coordinates, to uniquely determine the position of the points or other geometric elements on a manifold such as Euclidean space.

A cylindrical coordinate system is a three-dimensional coordinate system that specifies point positions by the distance from a chosen reference axis (axis L in the image opposite), the direction from the axis relative to a chosen reference direction (axis A), and the distance from a chosen reference plane perpendicular to the axis (plane containing the purple section).

In mathematics, physics, and engineering, a Euclidean vector or simply a vector (sometimes called a geometric vector or spatial vector) is a geometric object that has magnitude (or length) and direction.

In mathematics, the polar coordinate system is a two-dimensional coordinate system in which each point on a plane is determined by a distance from a reference point and an angle from a reference direction.

In mathematics, a unit vector in a normed vector space is a vector (often a spatial vector) of length 1.

In geometry, a three-dimensional space (3D space, 3-space or, rarely, tri-dimensional space) is a mathematical space in which three values (coordinates) are required to determine the position of a point.

In geometry, curvilinear coordinates are a coordinate system for Euclidean space in which the coordinate lines may be curved.

In mathematics, the Laplace operator or Laplacian is a differential operator given by the divergence of the gradient of a scalar function on Euclidean space.

In the mathematical field of differential geometry, a metric tensor (or simply metric) is an additional structure on a manifold M (such as a surface) that allows defining distances and angles, just as the inner product on a Euclidean space allows defining distances and angles there.

An azimuth (ˈæzəməθ; from as-sumūt) is the angular measurement in a spherical coordinate system which represents the horizontal angle from a cardinal direction, most commonly north.

In geometry, a normal is an object (e.g. a line, ray, or vector) that is perpendicular to a given object.

In mathematics, a partial derivative of a function of several variables is its derivative with respect to one of those variables, with the others held constant (as opposed to the total derivative, in which all variables are allowed to vary).

In geometry, a position or position vector, also known as location vector or radius vector, is a Euclidean vector that represents the position of a point P in space in relation to an arbitrary reference origin O.

The geographic coordinate system (GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on the Earth as latitude and longitude.

In vector calculus, the gradient of a scalar-valued differentiable function of several variables is the vector field (or vector-valued function) whose value at a point is the "direction and rate of fastest increase".

Del, or nabla, is an operator used in mathematics (particularly in vector calculus) as a vector differential operator, usually represented by the nabla symbol ∇.

Le but du cours de physique générale est de donner à l'étudiant les notions de base nécessaires à la ...

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Le but du cours de physique générale est de donner à l'étudiant les notions de base nécessaires à la ...

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This course is an introduction to the theory of Riemann surfaces. Riemann surfaces naturally appear ...

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Introduce the students to general relativity and its classical tests. ...

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Lecture about mechanics, coordinate systems and polar coordinates.

Lecture about coordinate systems, position and velocity.

Lecture about polar coordinates, jacobian matrix and variable transformation.

Lecture about coordinate systems, polar coordinates and curvilinear coordinates.

Lecture about rotations, spherical coordinates and cylindrical coordinates.

Lecture about rotating vectors, angular speed and uniform circular motion.

Lecture about rotations, fixed points and spherical coordinates.

Lecture about circular motion, friction and newton's laws.

Lecture about center of mass, mechanics and spherical coordinates.

Lecture about continuity, limits and approaches.

Lecture about kinematics, spherical coordinates and position.

In coordination chemistry, the first coordination sphere refers to the array of molecules and ions (the ligands) directly attached to the central metal atom.

Lecture about spherical coordinates, trajectory equation and circular motion.

Lecture about spherical coordinates, determinant of jacobi and invertibility conditions.

Lecture about spherical coordinates, unit vectors and rotation vector.

Lecture about harmonic oscillator, spherical coordinates and uniformly accelerated movement.

Lecture about diffusion equations, steady state and spherical coordinates.

Lecture about spherical coordinates, volume calculation and bijectivity.

Lecture about spherical coordinates, transformation and bijectivity.

Lecture about multiple integration, spherical coordinates and volume calculation.

Lecture about spherical coordinates, reference frame and constraints.

Lecture about spherical coordinates, volume calculation and surjectivity.

Lecture about laplacian, polar coordinates and spherical coordinates.

Lecture about spherical coordinates, mathematical transformations and Cartesian coordinates.

Lecture about coordinate transformations, polar coordinates and spherical coordinates.

Lecture about spherical coordinates, graph surfaces and parametric equation.

Lecture about spherical coordinates, integration and multiple variables.

Lecture about spherical coordinates, polar coordinates and coordinate systems.

Lecture about spherical coordinates, cylindrical coordinates and visual aids.

Lecture about coordinate systems, cylindrical coordinates and spherical coordinates.

Lecture about polar coordinates, cylindrical coordinates and spherical coordinates.

Lecture about spherical coordinates, cylindrical coordinates and integration.

Lecture about electric fields, curl and path integrals.

Lecture about spherical coordinates, cylindrical coordinates and speed.

Questions about the acceleration of a mass in spherical coordinates.

Lecture about acceleration, cylindrical coordinates and spherical coordinates.

Questions about the acceleration of a mass in spherical coordinates.

Lecture about spherical coordinates, cylindrical coordinates and coordinate systems.

Questions about the direction of speed in a spherical coordinate system.

Lecture about spherical coordinates, mapping and invertibility.

Lecture about gradient transformation, jacobian determinant and spherical coordinates.

Lecture about spherical coordinates, polar coordinates and cylindrical coordinates.

Lecture about rotations, spherical coordinates and cylindrical coordinates.

Lecture about coordinate changes, jacobian determinant and invertibility.