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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
13
3장 연습 문제
연습 문제
3
장
0101
3D
프린터용
1
.
75mm
필라멘트 스풀
filament
spool
을 구입했습니다. 필라멘트 직
경이 실제로
1
.
75mm
에 얼마나 가까운지 측정하고 싶습니다. 측경기를 사용해
필라멘트 직경을
5
회 측정합니다.
1
.
78
,
1
.
75
,
1
.
72
,
1
.
74
,
1
.
77
이 측정값 집합의 평균과 표준 편차를 계산하세요.
평균은
1
.
752
이고 표준 편차는 약
0
.
02135
입니다. 파이썬 코드는 다음과 같습니다.
from math import sqrt
sample = [1.78, 1.75, 1.72, 1.74, 1.77]
def mean_sample(values):
return sum(values) /len(values)
def variance_sample(values):
mean = mean_sample(values)
var = sum((v - mean) ** 2 for v in values) / len(values)
return var
def std_dev_sample(values):
return sqrt(variance_sample(values))
mean = mean_sample(sample)
std_dev = std_dev_sample(sample)
print("평균: ", mean) # 1.752
print("표준 편차: ", ...
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Publisher Resources

ISBN: 9791169212502