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...

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...

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...

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...

percentile function (after the percentile), percent-point function, inverse cumulative distribution function (after the cumulative distribution function or c...

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...

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

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

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...

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...

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

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

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

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

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...

sigmoid function is any mathematical function whose graph has a characteristic S-shaped or sigmoid curve. A common example of a sigmoid function is the...

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...

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...

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...

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...

each yi ) at a point, the m variables yi are differentiable functions of the xj in some neighborhood of the point. As these functions generally cannot...

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...

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...

frameshift mutations), with regard to protein production, composition, and function. Point mutations usually take place during DNA replication. DNA replication...

internal degrees of freedom, the wave function at each point in the continuous degrees of freedom (e.g., a point in space) assigns a complex number for...

function" refers to the two-point autocorrelation function. The two-point autocorrelation function is a function of one variable (distance); it describes the...

mathematics, the inverse function theorem is a theorem that asserts that, if a real function f has a continuous derivative near a point where its derivative...