Function of several real variables

function of several real variables or real multivariate function is a function with more than one argument, with all arguments being real variables.

function of several real variables or real multivariate function is a function with more than one argument, with all arguments being real variables.

Function of a real variable

sciences, a function of a real variable is a function whose domain is the real numbers ℝ, or a subset of ℝ that contains an interval of positive length

sciences, a function of a real variable is a function whose domain is the real numbers ℝ, or a subset of ℝ that contains an interval of positive length

Function (mathematics)

equal to the set R {\displaystyle \mathbb {R} } of real numbers, one has a function of several real variables. If the X i {\displaystyle X_{i}} are equal

equal to the set R {\displaystyle \mathbb {R} } of real numbers, one has a function of several real variables. If the X i {\displaystyle X_{i}} are equal

Several complex variables

The theory of functions of several complex variables is the branch of mathematics dealing with complex valued functions f ( z 1 , z 2 , … , z n ) {\displaystyle

The theory of functions of several complex variables is the branch of mathematics dealing with complex valued functions f ( z 1 , z 2 , … , z n ) {\displaystyle

Differentiable function

In calculus (a branch of mathematics), a differentiable function of one real variable is a function whose derivative exists at each point in its domain

In calculus (a branch of mathematics), a differentiable function of one real variable is a function whose derivative exists at each point in its domain

Stationary point

point where the function "stops" increasing or decreasing (hence the name). For a differentiable function of several real variables, a stationary point

point where the function "stops" increasing or decreasing (hence the name). For a differentiable function of several real variables, a stationary point

Critical point (mathematics)

the function's domain where it is either not holomorphic or the derivative is equal to zero. Likewise, for a function of several real variables, a critical

the function's domain where it is either not holomorphic or the derivative is equal to zero. Likewise, for a function of several real variables, a critical

Derivative

independent variable. Derivatives may be generalized to functions of several real variables. In this generalization, the derivative is reinterpreted

independent variable. Derivatives may be generalized to functions of several real variables. In this generalization, the derivative is reinterpreted

Euler–Lagrange equation

soap-film minimal surface problem. If there are several unknown functions to be determined and several variables such that I [ f 1 , f 2 , … , f m ] = ∫ Ω L

soap-film minimal surface problem. If there are several unknown functions to be determined and several variables such that I [ f 1 , f 2 , … , f m ] = ∫ Ω L

Parametrization (geometry)

of the system is generally determined by a finite set of coordinates, and the parametrization thus consists of one function of several real variables

of the system is generally determined by a finite set of coordinates, and the parametrization thus consists of one function of several real variables