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Qu'est-ce (qui) est pointwise optimal - définition
APPLYING OPERATIONS TO FUNCTIONS IN TERMS OF VALUES FOR EACH INPUT "POINT"
Pointwise order; Pointwise addition; Pointwise operation; Componentwise operation
![ln]] (red). The highlighted vertical slice shows the computation at the point ''x''=2π.](https://commons.wikimedia.org/wiki/Special:FilePath/Pointwise sum and product of sin and ln function.png?width=200 "ln]] (red). The highlighted vertical slice shows the computation at the point ''x''=2π.")
Pointwise
In mathematics, the qualifier pointwise is used to indicate that a certain property is defined by considering each value f(x) of some function f. An important class of pointwise concepts are the pointwise operations, that is, operations defined on functions by applying the operations to function values separately for each point in the domain of definition.
Pointwise convergence
NOTION OF CONVERGENCE IN MATHEMATICS
Topology of pointwise convergence; Almost everywhere convergence; Almost-everywhere convergence; Converge Pointwise; Pointwise convergent sequence
In mathematics, pointwise convergence is one of various senses in which a sequence of functions can converge to a particular function. It is weaker than uniform convergence, to which it is often compared.
Pointwise product
FUNCTION PRODUCT DEFINED AT ANY POINT IN THEIR DOMAIN BY THE PRODUCT OF THE FUNCTION VALUES
Pointwise multiplication; Product function; Point-wise product
In mathematics, the pointwise product of two functions is another function, obtained by multiplying the images of the two functions at each value in the domain. If f and g are both functions with domain X and codomain Y, and elements of Y can be multiplied (for instance, Y could be some set of numbers), then the pointwise product of f and g is another function from X to Y which maps x in X to f(x)g(x) in Y.
Wikipédia
Pointwise
In mathematics, the qualifier pointwise is used to indicate that a certain property is defined by considering each value of some function An important class of pointwise concepts are the pointwise operations, that is, operations defined on functions by applying the operations to function values separately for each point in the domain of definition. Important relations can also be defined pointwise.
