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Domain of a function
In mathematics, the domain or set of departure of a function is the set into which all of the input of the function is constrained to fall. It is the
Function (mathematics)
of a set X, the domain of the function, to a single element y of another set Y (possibly the same set), the codomain of the function. If the function
Partial function
of a function by not requiring every element of the first set to be associated to at least one element of the second set. Consequently, the domain of
Surjective function
the fact that the image of the domain of a surjective function completely covers the function's codomain. Any function induces a surjection by restricting
Differentiable function
calculus (a branch of mathematics), a differentiable function of one real variable is a function whose derivative exists at each point in its domain. As a result
Domain of unknown function
A domain of unknown function (DUF) is a protein domain that has no characterised function. These families have been collected together in the Pfam database
Injective function
injective function (also known as injection, or one-to-one function) is a function that maps distinct elements of its domain to distinct elements of its codomain
Function of a real variable
natural 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 of several real variables
The domain of a function of n variables is the subset of ℝn for which the function is defined. As usual, the domain of a function of several real variables
Argument of a function
to have a domain consisting of ordered pairs or tuples of argument values. The argument of a circular function is an angle. The argument of a hyperbolic