gusucode.com > 支持向量机工具箱 - LIBSVM OSU_SVM LS_SVM源码程序 > 支持向量机工具箱 - LIBSVM OSU_SVM LS_SVM\OSU_SVM3.00\Scale.m
function [scaled] = Scale(Data, Lower, Upper) % [scaled] = Scale(Data); % [scaled] = Scale(Data, Lower, Upper); % % scale the elements of all the column vectors in % the range of [Lower Upper]. (default [-1 1]) if (nargin<3) Lower = -1; Upper = 1; elseif (Lower > Upper) disp (['Wrong Lower or Upper values!']); end [MaxV, I]=max(Data); [MinV, I]=min(Data); [R,C]= size(Data); scaled=(Data-ones(R,1)*MinV).*(ones(R,1)*((Upper-Lower)*ones(1,C)./(MaxV-MinV)))+Lower;