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大小: 3KB文件類型: .m金幣: 1下載: 0 次發(fā)布日期: 2024-02-03
- 語言: Matlab
- 標(biāo)簽:
資源簡介
lvq學(xué)習(xí)算法源碼(matlab)lvq學(xué)習(xí)算法源碼(matlab)
代碼片段和文件信息
clear
clc
%獲取訓(xùn)練樣本點
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
feature_num=2;
sample_num=200;
mu?=?[0?1];
sigma=[0.65*0.65?0;?0?0.65*0.65];
mu1?=?[0?1];
mu2?=?[0?-1];
r1_=mvnrnd(mu1sigmasample_num);
r2_=mvnrnd(mu2sigmasample_num);
%?axis([-3?3?-3?3]);
p_train?=?[r1_;r2_];
p_train??=?p_train‘;
t_train?=?ones(12*sample_num);
t_train?(sample_num+1:2*sample_num)?=?t_train?(sample_num+1:2*sample_num)?-?1;
plotpv(p_train?t_train);
t_train?=?ones(12*sample_num);
t_train?(sample_num+1:2*sample_num)?=?t_train?(sample_num+1:2*sample_num)?+?1;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%lvq算法對其進行優(yōu)化
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
k=2;%隱中心的數(shù)目
%?p_cluster(:1:k)?=?em(p_train(:1:sample_num)?k?feature_num?sample_num);
%?p_cluster(:k+1:2*k)?=?em(p_train(:sample_num+1:2*sample_num)?k?feature_num?sample_num);
net_lvq?=?newlvq(minmax(p_train)2*k[.5?.5]0.01‘learnlv‘);
net_lvq.trainParam.epochs=100;
tc_train?=?ind2vec(t_train);
net_lvq?=?train(net_lvqp_traintc_train);
p_cluster?=?net_lvq.IW{11}‘;
t_cluster?=?ones(12*k);
t_cluster(1k+1:2*k)=t_cluster(1k+1:2*k)-1;
plotpv(p_cluster?t_cluster);
%?plotpv(p_cluster?t_cluster);
t_cluster?=?ones(12*k);
t_cluster(1k+1:2*k)=t_cluster(1k+1:2*k)+1;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%建立網(wǎng)絡(luò)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
p=p_cluster;
t=t_cluster;
%?p=p_train;
%?t=t_train;
net?=?network;
net.n
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