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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
8
개발자를 위한 필수 수학 워크북
1212
다음 두 함수가 있을 때 연쇄 법칙을 사용해
x
에 대한
z
의 도함수를 구하세요.
y
=
x
3
1
z
=
log
y
+
2
y
x
에 대해 미분하면
3x
2
이 되고
,
z
y
에 대해 미분하면
1
y
이 됩니다. 따라서
x
에 대한
미분을 다음처럼 연쇄 법칙으로 구할 수 있습니다.
2
2
13
(3 )
dy
dz dz x
x
dx dy dx y y
= = =
심파이 코드는 다음과 같습니다.
from sympy import *
# 'x y'를 심파이에 선언합니다.
x, y = symbols('x y')
# 파이썬으로 함수를 정의합니다.
_y = x**3 - 1
z = log(y) + 2
# x에 대한 도함수를 계산합니다.
dz_dy = diff(z)
dy_dx = diff(_y)
print(dz_dy * dy_dx) # 3*x**2/y
9
1장 연습 문제
1313
x
0
2
사이일 때
f
(
x
) =
3
x
2
+
1
함수의 아래 면적은 얼마인가요?
0
2
범위의 함수 아래 면적은
10
입니다. 심파이 코드는 다음과 같습니다.
from sympy import *
# 'x'를 심파이에 ...
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Publisher Resources

ISBN: 9791169212502