Numpy之将矩阵拉成向量的实例
分类:Python
import numpy as np
x = np.arange(10).reshape(2,5)
x
输出:
进行转换
y1 = x.ravel()
y2 = x.flatten()
x1=np.resize(x,(10))
x2=x.reshape(10)
print(x1)
print(x2)
print(y1)
print(y2)
print(type(x1),type(x2),type(y1),type(y2))
输出:
<class 'numpy.ndarray'> <class 'numpy.ndarray'> <class 'numpy.ndarray'> <class 'numpy.ndarray'>