x = 1:10;
n = length(x);
perm = randperm(n);
x_perm = x(perm);
% x_perm 表示置乱后的结果
x_ori(perm) = x_perm;
% x_ori 对置乱后的结果进行恢复
x = 1:10;
n = length(x);
perm = randperm(n);
x_perm = x(perm);
% x_perm 表示置乱后的结果
x_ori(perm) = x_perm;
% x_ori 对置乱后的结果进行恢复