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 function having only finitely many pieces.
Read more about Step Function: Definition and First Consequences, Examples, Properties
Famous quotes containing the words step and/or function:
“The energetic action of the times develops individualism, and the religious appear isolated. I esteem this a step in the right direction. Heaven deals with us on no representative system. Souls are not saved in bundles.”
—Ralph Waldo Emerson (1803–1882)
“Literature does not exist in a vacuum. Writers as such have a definite social function exactly proportional to their ability as writers. This is their main use.”
—Ezra Pound (1885–1972)