www.pudn.com > maldicode.zip > sortbycold.m

function [y]= sortbycold(x,a) 
 
% SORTBYCOL 
% This function sorts a matrix into accending order where only one 
% column becomes sorted and the other entries just swap values in order  
% to maintain their relationship with the value in the sorted column.  
% 
% Habtom Ressom 
% February 22, 2005 
%  
%  Y = SORTBYCOL(X,COLUMN) 
%  
% Inputs are: X (matrix) and COLUMN 
% Output: Y - sorted matrix 
 
 
[b i] = sort(x(:,a),'descend'); 
y = x(i,:); 
end