noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A smooth approximation to the rectifier in neural networks; it is the analytic function f(x)= ln (1+eˣ). uncountable

Etymology

From soft + plus.

Related phrases

analytic functionneural network

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.