softmax

English

Etymology 1

Coined by John S. Bridle in 1989, on the grounds of the function being "a differentiable generalisation of the 'winner-take-all' operation of picking the maximum value".

Noun

softmax (uncountable)

1. (mathematics, statistics) A generalization of the logistic function that "squashes" a K-dimensional vector $\mathbf {z}$ of arbitrary real values to a K-dimensional vector $\sigma (\mathbf {z} )$ of real values in the range (0, 1).

Etymology 2

Verb

softmax (third-person singular simple present softmaxes, present participle softmaxing, simple past and past participle softmaxed)

1. Alternative spelling of softmaxx

Further reading

• Softmax function on Wikipedia.Wikipedia