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개발자를 위한 필수 수학
book

개발자를 위한 필수 수학

by 토머스 닐드, 박해선
June 2024
Beginner to intermediate
352 pages
9h 29m
Korean
Hanbit Media, Inc.
Content preview from 개발자를 위한 필수 수학
329
부록 A
보충 학습
math
.
erf
()
는 오차 함수로 알려져 있으며 누적 분포를 계산하는 데 자주 사용됩니다. 마지
막으로 역
CDF
를 밑바닥부터 구현하려면
erf
()
의 역함수인
erfinv
()
를 사용합니다. [예제
A
-
7
]은 직접 만든 역
CDF
를 사용해 무작위로 생성된
1
,
000
개의 골든 리트리버 가중치를 계
산합니다.
예제
A-7
무작위 골든 리트리버 가중치 생성하기
import random
from scipy.special import erfinv
def inv_normal_cdf(p: float, mean: float, std_dev: float):
return mean + (std_dev * (2.0 ** 0.5) * erfinv((2.0 * p) - 1.0))
mean = 64.43
std_dev = 2.99
for i in range(0, 1000):
random_p = random.uniform(0.0, 1.0)
print(inv_normal_cdf(random_p, mean, std_dev))
A.6
e
를 사용해 시간 경과에 따른 사건 확률 예측하기
e
에 대한 사용 사례를 하나 더 살펴보겠습니다. 프로판가스 탱크 제조업체에서 근무한다고 가
정해봅시다. 당연히 가스가 새거나 특히 화염과 스파크 주변에서 위험을 초래할 수 있는 탱크
는 원치 않습니다. ...
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Publisher Resources

ISBN: 9791169212502