MATLAB: Row and Column permutation of a matrix

matrix permutationrow column permutation

Hi I want to permute each row and column of the matrix using specified permutation
e.g
%%%%%Permute each row by a certain permutation e.g (3 2 4 1)
M=[80 81 82 83;84 85 86 87;88 89 90 91;92 93 94 95];
perm2=[3 2 4 1];
M_1=[];
b=M;
for i=1:3
  b(i,perm2) = M(i,:);
  M_1=[b];
end
Output should be 
82	81	83	80
86	85	87	84
90	89	91	88
94	93	95	92
what I am getting is 
83	81	80	82
87	85	84	86
91	89	88	90
92	93	94	95
If some one figure out the mistake plus how to permute each column wise

Best Answer

 Wanted = M(:, perm2)
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