资 源 简 介
机器学习算法代码，可以用于分词，图像识别，行为识别等
原版本只可以在32位xp下运行，经本人修改，适用于各种版本matlab windows
clear all
useMex = 0; % Set this to 1 to use mex files to speed things up
%% Generate Synthetic Data
% Notes:
% - X is categorical, each element X(i,j) contains the value of feature j for word i,
% a value of "0" means ignore the feature for this training example
% - y is cateogircal, each element y(i) contains the label for word i
% a value of "0" indicates the position between sentences
[X,y] = crfChain_genSynthetic;
nWords = size(X,1);
nStates = max(y);
nFeatures = max(X);
%% Initialize parameters and data structures
[w,v_start,v_end,v] = crfChain_initWeights(nFeatures,nStates,"randn");%初始化参数为正太分布，w状态-特征，v状态-状态
featureStart = cumsum([1 nFeatu
