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파이썬을 활용한 금융 분석(2판) : 파이썬의 기초부터 금융공학, 머신러닝, 퀀트 분석, 매매 시스템 구현까지
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파이썬을 활용한 금융 분석(2판) : 파이썬의 기초부터 금융공학, 머신러닝, 퀀트 분석, 매매 시스템 구현까지

by 이브 힐피시, 김도형
March 2022
Beginner to intermediate
796 pages
18h 14m
Korean
Hanbit Media, Inc.
Content preview from 파이썬을 활용한 금융 분석(2판) : 파이썬의 기초부터 금융공학, 머신러닝, 퀀트 분석, 매매 시스템 구현까지
373
10
장
파이썬 성능 개선
S[0] = S0
rn = np.random.standard_normal(S.shape)
for t in range(1, M + 1):
➊
S[t] = S[t-1] * np.exp((r - sigma ** 2 / 2) * dt +
sigma * math.sqrt(dt) * rn[t])
➋
return S
In [128]: %time S = mcs_simulation_np((M, I))
CPU times: user 252 ms, sys: 32.9 ms, total: 285 ms
Wall time: 252 ms
In [129]: S[-1].mean()
Out[129]: 38.235136032258595
In [130]: %timeit S = mcs_simulation_np((M, I))
202 ms ± 27.7 ms per loop (mean ± std. dev. of 7 runs, 1 loop each)
➊
시간 구간에 대한 루프
➋
오일러 방식으로 모든 경로를 한 번에 처리하는 벡터화된
NumPy
코드
10.4.3
Numba
이제는
Numba
를 이런 알고리즘에 쉽게 적용하여 속도를 개선할 수 있다는 점이 더 이상 놀랍지
않다.
Numba
버전인
mcs
_
simulation
_
nb
( )
함수는
NumPy
버전보다 조금 빠르다.
In ...
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Publisher Resources

ISBN: 9791162245170