using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.Mvc; using System.Web.Mvc.Ajax; using System.IO; namespace MVC.Controllers { /// <summary> /// Controller 类必须以字符串 "Controller"
官网的解释是:Randomly permute a sequence, or return a permuted range. 即随机排列序列,或返回随机范围.我的理解就是返回一个乱序的序列.下面通过例子来看. 很明显:np.arange(10)的输出是有序的,而经过np.random.permutation()则变成乱序.