LawsonAbs的认知与思考,还请各位读者批判阅读。
总结- 文章来源:csdn:LawsonAbs
- 持续更新~
Sigmoid 函数
函数表达式:
f
(
z
)
=
1
1
+
e
−
z
f(z) = \frac{1}{1+e^{-z}}
f(z)=1+e−z1
函数表达式:
f
(
z
)
=
e
z
−
e
−
z
e
z
+
e
−
z
f(z) = \frac{e^{z}-e^{-z}}{e^{z}+e^{-z}}
f(z)=ez+e−zez−e−z
f ( z ) = m a x ( 0 , z ) f(z) = max(0,z) f(z)=max(0,z)