Namespaces
Variants
Actions

Step function

From Encyclopedia of Mathematics
Jump to: navigation, search

A real function which has finitely many points of discontinuity and is constant on the intervals between those points. The step functions are precisely the finite linear combinations of the characteristic functions of intervals.

How to Cite This Entry:
Step function. Encyclopedia of Mathematics. URL: http://www.encyclopediaofmath.org/index.php?title=Step_function&oldid=39788