ttm6489

摘要： import numpy as npa=np.array([1,2,3])b=np.array([4,5,6])c=np.vstack((a,b))print(c)d,e=np.vsplit(c,2)print(d,e)f=np.hstack((a,b))print(f)g=np.dstack((a 阅读全文