Discontinuous function

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(Math.) a function which for certain values or between certain values of the variable does not vary continuously as the variable increases. The discontinuity may, for example, consist of an abrupt change in the value of the function, or an abrupt change in its law of variation, or the function may become imaginary.
See under Discontinuous.

See also: Discontinuous, Function

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive
Let (X, [tau]) be a neutrosophic topological space and f : (X, [tau]) [right arrow] (X, [tau]) be a neutrosophic continuous function. Then f is said to be neutrosophic sensitive at x [member of] X if given any neutrosophic open set U = <x, [U.sup.1], [U.sup.2], [U.sup.3]> containing x [there exists] a neutrosophic open set V = [V.sup.1], [V.sup.2], [V.sup.3]> [contains as member] [f.sup.n](x) [member of] V, [f.sup.n](y) [not member of] Ncl(V) and y [member of] U, n [member of] [Z.sup.+].
Assume that there is a positive continuous function [p.sub.1] : [[t.sub.0], [infinity]) [right arrow] [R.sup.+] such that P(t) and [P.sup.*](t) are positive for t [greater than or equal to] [t.sub.0].
Let f be a continuous function of soft sets on [mathematical expression not reproducible].
([H.sub.1]) f : [0, T/[p.sup.2]] x R [right arrow] R is a continuous function and there exists a constant N > 0 such that
Let f : E [right arrow] E be a continuous function, and let ([x.sub.n]) and ([w.sub.n]) be two iterations which converge to the same point p [member of] E.
For the sake of convenience, suppose that f(t) is an w-periodic continuous function on R; we denote
where [ohm] [subset] [R.sup.N], N [greater than or equal to] 2, is a bounded domain with smooth boundary, [lambda] > 0 is a parameter, 0 < q < 1 and f : R [right arrow] R is a continuous function satisfying
where t [greater than or equal to] 0, x [member of] R, A(t) : R [right arrow] [0, [infinity]) and f, g : R [right arrow] R are continuous functions with f (0) = g(0) = 0, and B(t, s) is a continuous function for all 0 [less than or equal to] s [less than or equal to] t [less than or equal to] [infinity].
The following identity for an absolutely continuous function f: [a, b] [right arrow] R holds (see [14]):
is considered for r : [a, [infinity]) [right arrow] R, (a > 0), is a continuous function for which mean value M([r.sup.1-q]) exists and for which
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