sign function
61Boolean-valued function — A boolean valued function, in some usages a predicate or a proposition, is a function of the type f : X → B, where X is an arbitrary set and where B is a boolean domain.A boolean domain B is a generic 2 element set, say, B = {0, 1}, whose… …
62Evaluation function — An evaluation function, also known as a heuristic evaluation function or static evaluation function, is a function used by game playing programs to estimate the value or goodness of a position in the minimax and related algorithms. The evaluation …
63Romberg's sign — Rom·berg s sign or Rom·berg sign räm .bərg(z) n a diagnostic sign of tabes dorsalis and other diseases of the nervous system consisting of a swaying of the body when the feet are placed close together and the eyes are closed Rom·berg rȯm berk… …
64odd function — noun Any function whose value changes sign if the independent variable changes sign i.e. f( x) = f(x) …
65odd function — noun : a function such that f( x) = f(x) where the sign is reversed but the absolute value remains the same if the sign of the independent variable is reversed …
66Dream sign — A dream sign is a commonly occurring theme found within a person s dreams. Dream signs will vary between individuals. Some common ones are difficulty reading words, the inability to run or use mechanical objects, the ability to breathe underwater …
67Source function — The source function is a characteristic of a stellar atmosphere, and in the case of no scattering of photons, describes the ratio of the emission coefficient to the absorption coefficient. It is a measure of how photons in a light beam are… …
68alternating function — noun mathematics : a function in which the interchange of two variables changes only the sign of the function …
69Singularity function — Singularity functions or singularity brackets are a notation used to describe discontinuous functions.langle x a angle^n = egin{cases}delta (x a) : n= 2delta(x a) : n= 1 : nge0, x …
70even function — noun Any function whose value is unchanged if the independent variable changes sign i.e. f(x) = f( x) …
