Simple function

Rarity: Common

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

In the mathematical field of real analysis, a simple function is a real (or complex)-valued function over a subset of the real line, similar to a step function. Simple functions are sufficiently "nice" that using them makes mathematical reasoning, theory, and proof easier.

Excerpt from the Wikipedia article “Simple function”, under the CC BY-SA 4.0 license. Read the article on Wikipedia