numpy 数组增加列,增加行的函数:column_stack,row_stack,删除行或列的函数,delete
deffun_ndarray():a=[[1,2,7],[-6,-2,-3],[-4,-8,-55]]b=[3,5,6]a=np.array(a)b=np.array(b)a_b_column=np.column_stack((a,b))#左右根据列拼接a_b_row=np.row_stack((a,b))#上下按照行拼接print('a_b_column')print(a_b_column)pr