The function point is a "unit of measurement" to express the amount of business functionality an information system (as a product) provides to a user....

The point spread function (PSF) describes the response of a focused optical imaging system to a point source or point object. A more general term for...

In mathematics, a differentiable function of one real variable is a function whose derivative exists at each point in its domain. In other words, the...

Point Coordination Function (PCF) is a media access control (MAC) technique used in IEEE 802.11 based WLANs, including Wi-Fi. It resides in a point coordinator...

quantile function is also called the percentile function (after the percentile), percent-point function, inverse cumulative distribution function (after...

Look up function or functionality in Wiktionary, the free dictionary. Function or functionality may refer to: Function key, a type of key on computer keyboards...

a continuous function is a function such that a small variation of the argument induces a small variation of the value of the function. This implies...

cubic function is a function of the form f ( x ) = a x 3 + b x 2 + c x + d , {\displaystyle f(x)=ax^{3}+bx^{2}+cx+d,} that is, a polynomial function of degree...

holomorphic function is a complex-valued function of one or more complex variables that is complex differentiable in a neighbourhood of each point in a domain...

The Simple Function Point (SFP) method is a lightweight Functional Measurement Method. The Simple Function Point method was designed by Roberto Meli in...

distributed point function is a cryptographic primitive that allows two distributed processes to share a piece of information, and compute functions of their...

(development cost per function point; delivered defects per function point; function points per staff month.). The function point analysis sizing standard...

The International Function Point Users Group (IFPUG) is a US-based organization with worldwide chapters of Function point analysis metric software users...

mathematics, a homogeneous function is a function of several variables such that the following holds: If each of the function's arguments is multiplied by...

of equilibrium, a state function, function of state, or point function for a thermodynamic system is a mathematical function relating several state variables...

has two or more values in its range for at least one point in its domain. It is a set-valued function with additional properties depending on context; some...

mathematics, a function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the...

The fixed-point lemma for normal functions is a basic result in axiomatic set theory stating that any normal function has arbitrarily large fixed points...

The delta function was introduced by physicist Paul Dirac, and has since been applied routinely in physics and engineering to model point masses and...

changes sign. In particular, in the case of the graph of a function, it is a point where the function changes from being concave (concave downward) to convex...

science, a fixed-point combinator (or fixpoint combinator): p.26  is a higher-order function (i.e., a function which takes a function as argument) that...

related functions, it can act as a namespace. Point = {} Point.new = function(x, y) return {x = x, y = y} -- return {["x"] = x, ["y"] = y} end Point.set_x...

analytic function is a function that is locally given by a convergent power series. There exist both real analytic functions and complex analytic functions. Functions...

calculus, a stationary point of a differentiable function of one variable is a point on the graph of the function where the function's derivative is zero...

of a function is an infinite sum of terms that are expressed in terms of the function's derivatives at a single point. For most common functions, the...

sequence of real numbers, oscillation of a real-valued function at a point, and oscillation of a function on an interval (or open set). Let ( a n ) {\displaystyle...

for automating the popular function point measure according to the counting guidelines of the International Function Point User Group (IFPUG). On March...

cases by adding an (actual) point at infinity. A function on a normed vector space is said to vanish at infinity if the function approaches 0 {\displaystyle...

critical point is the argument of a function where the function derivative is zero (or undefined, as specified below). The value of the function at a critical...

results. Isolated point – Point of a subset S around which there are no other points of S Limit of a function – Point to which functions converge in analysis...