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Deep Learning
Deep Learning Pulse
Five questions across 7 topics. No timer.
1 / 5
Deep Learning
Question 1 of 5
foundation (1/10)
state theorem
The RELU (Rectified Linear Unit) activation is defined as which function?
Hide and think first
A.
ReLU
(
x
)
=
max
(
0
,
x
)
— identity for positive, zero for negative.
B.
ReLU
(
x
)
=
sign
(
x
)
— step function returning
−
1
, 0, or 1.
C.
ReLU
(
x
)
=
∣
x
∣
— absolute value, with V-shape.
D.
ReLU
(
x
)
=
x
2
— quadratic, always nonnegative.
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