prex3mod.m

模式识别工具箱,本人毕业论文时用到的,希望对大家有用!

%PREX3MOD PRTOOLS example of classifiers and scatter plot
help prex3mod
pause(1)
echo on
load c:\prova.mat A C D% Generate two difficult classes
						% Training set c (100 objects / class)
						% Test set d (200 objects / class)
figure(1);
scatterd(C);
figure(2);
scatterd(D);
echo off
num_hidden=input('Quanti neuroni nello strato hidden?');
echo on
[w1,R] = bpxnc(C,num_hidden,2000,[],D);% Neural Net
						% Compute and display errors
                  
figure(1);
hold off;
plot(R(:,1),R(:,2),'-'); drawnow;
hold on;
plot(R(:,1),R(:,3),':'); drawnow;
legend('training set','training-test set');
xlabel('Epoche');
ylabel('Errore');


echo off