softplus
English
Etymology
From
soft
+
plus
.
Noun
softplus
(
uncountable
)
(
mathematics
)
A
smooth
approximation
to the
rectifier
in
neural networks
; it is the
analytic function
f
(
x
)
=
ln
(
1
+
e
x
)
{\displaystyle f(x)=\ln(1+e^{x})}
.
.