# On the approximation of the step function by some sigmoid functions

> Research article (Mathematics and Computers in Simulation, 2015) · cited 116× · AI/ML

**Wikidata**: [openalex:W2191429225](https://www.wikidata.org/wiki/openalex:W2191429225)  
**Source**: https://4ort.xyz/entity/on-the-approximation-of-the-step-function-by-some-sigmoid-functions