給 MATLAB 使用者的 Python
Justin Kiggins
Product Manager
print(radius)
[[1, 2, 3]]
type(radius)
<class 'numpy.ndarray'>
area = np.pi * (radius ** 2) print(area)
[3.14159265 12.56637061 28.27433388]
+
-
*
/
**
type(revenue)
print(revenue)
[[100, 114, 96, 120]]
type(cost)
print(cost)
[102. 104. 101. 102.]
profit = revenue - cost print(profit)
[-2. 10. -5. 18.]
import numpy as np np.mean(revenue)
107.5
一些常用的 NumPy 函式：
np.min()
np.max()
np.sum()
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