learningcoder的专栏

# -*- coding:utf-8 -*-import numpy as npt1 = np.arange(6).reshape(2, 3)t2 = np.arange(10, 16).reshape(2, 3)# 竖直拼接,vertically 相当于union all# print(np.vstack((t1, t2)))# 水平拼接 horizontally# print...

# -*- coding:utf-8 -*-import numpy as np# 和数字计算，广播计算(加，减，乘，除)t1 = np.arange(5)print(t1) # [0 1 2 3 4 ]print(t1 + 1) # [ 1 2 3 4 5]# print(t1 / 0) # [nan inf inf inf inf] nan=not a num...

# -*- coding:utf-8 -*-import numpy as npimport random# ############数值型的数组############## 创建数组t1 = np.array([1, 2, 3])print(t1) # [1 2 3]print(type(t1)) # <class 'numpy.ndarray'>t2 =...