Step function
From Encyclopedia of Mathematics
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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://encyclopediaofmath.org/index.php?title=Step_function&oldid=39788
Step function. Encyclopedia of Mathematics. URL: http://encyclopediaofmath.org/index.php?title=Step_function&oldid=39788