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Domain of a function
mathematics, the domain of definition (or simply the domain) of a function is the set of "input" or argument values for which the function is defined. That
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
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
Partial function
is called a total function for emphasizing that its domain is not a proper subset of X. Partial functions are often used when the exact domain, X, is not
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
Graph of a function
mathematics, the graph of a function f is, formally, the set of all ordered pairs (x, f(x)), such that x is in the domain of the function f. In the common case
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
Codomain
x ranges over the elements of the domain X, is called the image of f. In general, the image of a function is a subset of its codomain. Thus, it may not
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