面向 MATLAB 用户的 Python
Justin Kiggins
Product Manager
my_list = [8, 6, 7, 5, 3, 0 ,9] print(my_list[2])
my_list = [8, 6, 7, 5, 3, 0 ,9]
print(my_list[2])
7
print(my_list[-3:])
[3, 0, 9]
import numpy as np my_array = np.array(my_list) type(my_array)
numpy.ndarray
list_of_lists = [[2, 3], [9, 0], [1, 4]] import numpy as np arr = np.array(list_of_lists) print(arr)
list_of_lists = [[2, 3], [9, 0], [1, 4]]
import numpy as np arr = np.array(list_of_lists) print(arr)
[[2, 3] [9, 0] [1, 4]]
arr.shape
(3, 2)
(+)
需要做数学计算？
要存储复杂结构？
多维数据？
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