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:
“And Thee, across the harbor, silver-paced
As though the sun took step of thee, yet left
Some motion ever unspent in thy stride,—
Implicitly thy freedom staying thee!”
—Hart Crane (1899–1932)
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—E.M. (Edward Morgan)