一:将列表转换为ndarray
import numpy as np
list1=[3.14,2.07,0,1,2]
list2=[[3.14,5,6],[1,2,3]]
nd1=np.array(list1)
nd2=np.array(list2)
print(nd1)
print(type(nd1))
print(nd2)
print(type(nd2))
实验结果:
二:将元组转换为ndarray
import numpy as np
y1=(1,2,3)
ny=np.array(y1)
print(ny)
print(type(ny))
实验结果:
三:列表与元组的嵌套转换为ndarray
import numpy as np
listy=[(1,2,3),(4,5,6)]
ly=np.array(listy)
print(ly)
print(type(ly))
实验结果: