step function
noun Date: circa 1929 a mathematical function of a single real variable that remains constant within each of a series of adjacent intervals but changes in value from one interval to the next

New Collegiate Dictionary. 2001.

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  • Step function — In mathematics, a function on the real numbers is called a step function (or staircase function) if it can be written as a finite linear combination of indicator functions of intervals. Informally speaking, a step function is a piecewise constant …   Wikipedia

  • step function — pakopinė funkcija statusas T sritis automatika atitikmenys: angl. step function vok. Stufenfunktion, f; Treppenfunktion, f rus. ступенчатая функция, f pranc. fonction échelonnée, f …   Automatikos terminų žodynas

  • step function — laiptuotoji funkcija statusas T sritis fizika atitikmenys: angl. step function vok. Treppenfunktion, f rus. ступенчатая функция, f pranc. fonction échelon, f; fonction en escalier, f; fonction par échelon, f …   Fizikos terminų žodynas

  • step function — function that has graph that resembles step shape …   English contemporary dictionary

  • step function — /ˈstɛp fʌŋkʃən/ (say step fungkshuhn) noun Mathematics a function whose graph resembles a step …   Australian English dictionary

  • step function — Math. a function that is constant on each of a finite set of subintervals of its domain, the union of the subintervals being the domain. [1925 30] * * * …   Universalium

  • step function — noun A function from the real line to a finite subset of the real line …   Wiktionary

  • step function — noun : a function of a single real variable in mathematics that remains constant throughout each of a series of adjacent intervals with the constant value varying from interval to interval …   Useful english dictionary

  • step-function cost — An item of expenditure that when plotted on a graph against activity levels gives a stepped function; i.e. increments of cost are incurred as activity rises. See also: semi fixed cost, linear cost function …   Accounting dictionary

  • Heaviside step function — The Heaviside step function, H , also called the unit step function, is a discontinuous function whose value is zero for negative argument and one for positive argument.It seldom matters what value is used for H (0), since H is mostly used as a… …   Wikipedia

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