In mathematics, a functional (as a noun) is a certain type of function. The exact definition of the term varies depending on the subfield (and sometimes even the author). In linear algebra , it is synonymous with linear forms , which are linear mapping from a vector space V {\displaystyle V} into its field of scalars (that is, an element of the dual space V ∗ {\displaystyle V^{*}} ) [1]
Define functional. functional synonyms, functional pronunciation, functional translation, English dictionary definition of functional. adj. 1. a. Of or relating to a function.
2021419 React:Functional Components) Class Components
functional definition: 1. designed to be practical and useful rather than attractive: 2. (of a machine, system, etc…. Learn more. useful These useful gadgets should find a home in every kitchen. helpful They gave us some really helpful advice. valuable He was able to provide the police with some valuable information.
functional:, , , 、, , 、
202316 A functional is a real-valued function on a vector space , usually of functions. For example, the energy functional on the unit disk assigns a nuer to any differentiable function , For the functional to be continuous, it is necessary for the vector space of functions to have an appropriate topology. The widespread use of functionals in
functional: [adjective] of, connected with, or being a function. affecting physiological or psychological functions but not organic structure.
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