function y = softmargin(x)%SOFTMARGIN Support Vector Classification Softmargin%%  Usage: y = softmargin(x)%%  Author: Zhou Weida(Zhouwd@rsp.xidian.edu.cn)  if (nargin ~= 1) % check correct number of arguments    help softmargin  else    y = x;    y(find(x < -1)) = -1;    y(find(x > 1)) = 1;  end