matlab如何将已有矩阵的每行元素重新随机排列

% matrix_In是输入矩阵
% matrix_Out是输出矩阵
function [matrix_Out] = Randmatrix(matrix_In)
[line column] = size(matrix_In);
matrix_Out=zeros(line,column);
for i=1:line
seed=randperm(column);
matrix_Out(i,:)= matrix_In(i,seed);
end
end