"NumPy sum()"의 두 판 사이의 차이

(새 문서: ==개요== ;NumPy sum() <source lang='python'> import numpy as np a = np.array([[1,2],[3,4]]) print( a.sum() ) # 10 print( np.sum(a) ) # 10 </source> ==같이 보기== * NumPy...)
 
7번째 줄: 7번째 줄:
a = np.array([[1,2],[3,4]])
a = np.array([[1,2],[3,4]])


print( np.sum(a) )
# 10
print( a.sum() )
print( a.sum() )
# 10
# 10
print( np.sum(a) )
</source>
# 10
<source lang='python'>
print( a.sum(axis=0) )
# [4 6]
print( a.sum(axis=1) )
# [3 7]
</source>
<source lang='python'>
print( a[:, 0].sum(), a[:, 1].sum() )
# 4 6
print( a[0, :].sum(), a[1, :].sum() )
# 3 7
</source>
</source>



2017년 12월 6일 (수) 15:37 판

1 개요

NumPy sum()
import numpy as np

a = np.array([[1,2],[3,4]])

print( np.sum(a) )
# 10
print( a.sum() )
# 10
print( a.sum(axis=0) )
# [4 6]
print( a.sum(axis=1) )
# [3 7]
print( a[:, 0].sum(), a[:, 1].sum() )
# 4 6
print( a[0, :].sum(), a[1, :].sum() )
# 3 7

2 같이 보기

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