countele.m

一个关于k最近临法分类的matlab程序

function [sorted_element, element_count] = countele(in)
%COUNTELE Count elements in a vector.
%	Type "countele" for a self demo.

%	Roger Jang, 3-27-1997


[m,n] = size(in);
in1 = sort(in(:)');
in1 = [in1 in1(length(in1))+1];
index = find(diff(in1) ~= 0);
sorted_element = in1(index);
element_count = diff([0, index]);
if n == 1,
	sorted_element = sorted_element';
	element_count = element_count';
end