07
10月

numpy log

1.以10为底的对数

print(np.log10(100))
10

2.以2为底的对数

print(np.log2(4))
2

3.以自然对数为底的对数

print(np.log(np.e))
1

4. 以n为底的对数

print(np.log(9) / np.log(3))
2

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