step function

American  

noun

Mathematics.

1. a function that is constant on each of a finite set of subintervals of its domain, the union of the subintervals being the domain.

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step function British  

noun

1. an electrical waveform that rises or falls instantly from one level to another

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Etymology

Origin of step function

First recorded in 1925–30

Example Sentences

“We expect numbers will have to continue marching higher and see step function estimate revisions upward over the next year. Given the significant upside to numbers, we are making Broadcom our top pick,” the analysts wrote.

From Barron's

That’s autonomy and that’s the key step function value.

From The Verge

“There’s been steady improvement over time, but it’s clear there would not be binary step function where one day we don’t have AVs and the next they’re everywhere.”

From The Verge

Third-generation Ryzen mobile is a step function.

From The Verge

“It’s usually a slow progression going from hyper-growth to just growth. In this case it’s a step function down. That’s why you are seeing more of an over-reaction,” said Loup Ventures’ Gene Munster.

From The Guardian