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book
밑바닥부터 시작하는 딥러닝 5
by
사이토 고키
,
개앞맵시(이복연)
October 2024
Beginner to intermediate
340 pages
7h 38m
Korean
Hanbit Media, Inc.
Content preview from
밑바닥부터 시작하는 딥러닝 5
170
밑바닥부터 시작하는 딥러닝 5
6.3.1
Parameter
클래스와
Module
클래스
torch
.
nn
.
Parameter
클래스부터 설명하겠습니다.
Parameter
는
Tensor
클래스를 상속받은
클래스이며 인수로
tensor
인스턴스를 건네 생성합니다. 예를 들어 다음과 같이 사용합니다.
import
torch
import
torch
.
nn
as
nn
W
=
nn
.
Parameter(torch
.
zeros(
1
,
1
))
b
=
nn
.
Parameter(torch
.
zeros(
1
))
print
(W)
print
(b)
실행 결과
Parameter containing:
tensor([[0
.
]], requires_grad
=
True)
Parameter containing:
tensor([0
.
], requires_grad
=
True)
Parameter
는 기본적으로
requires
_
grad
=
True
로 설정되어 있습니다. 지금 코드에서
W
와
b
는
tensor
와 동일하게 취급할 수 있습니다. 역전파하여 기울기를 구할 수도 있죠. 참고로
Parameter
인스턴스를
print
(
)
로 출력하면 ‘
Parameter
containing
:’이라는 문구가 가장 먼
저 출력됩니다.
Parameter
클래스는
Module
클래스와 함께 사용할 때 제대로 된 위력을 발휘합니다. 사용
예를 먼저 보겠습니다. ...
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Publisher Resources
ISBN: 9791169212960