plotdata2.m

支持向量机的Matlab实现

function plotdata2(X, Y)

%function plotdata2(X, Y, x1ran, x2ran)

% PLOTDATA - Plot 2D data set
%  

hold on;
%X=X';Y=Y';
ind = find(Y==1);

plot(X(ind,1), X(ind,2), 'ks');

%plot(X(1,ind), X(2,ind), 'ks');

ind = find(Y==-1);
plot(X(ind,1), X(ind,2), 'bo');

%plot(X(1,ind), X(2,ind), 'kx');
%text(X(:,1)+.2,X(:,2), int2str([1:length(Y)]'));
%text(X(1,:)+.2,X(2,:), int2str([1:length(Y)]'));

%axis([x1ran x2ran]);
axis xy;
%X=X';Y=Y';