step function(redirected from Piecewise constant)
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Related to Piecewise constant: step functions
step function[′step ‚fəŋk·shən]
A function ƒ defined on an interval [a,b ] so that [a,b ] can be partitioned into a finite number of subintervals on each of which ƒ is a constant. Also known as simple function.
More generally, a real function with finite range.