sorting and unsorting ?

clc
clear all
a=magic(3)
[b,ind]=sort(a,1,'descend')
c(ind)=b;

i sorted the matrix but i want back the orignal matix a how i can do it

Answer 1

[Image Analyst]

Try this:

a = magic(3)
[b, sortOrder] = sort(a, 1, 'descend')
c = zeros(size(b));
for col = 1 : size(b, 2)
	c(:, col) = b(sortOrder(:, col), col);
end
c