plotdata.m

基于Matlab的SVM模式分类方法的实验系统,有仿真实验

function plotdata(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');                %用黑色方框标记一类数据

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

ind = find(Y==2);
plot(X(ind,1), X(ind,2), 'mo');              %用紫色圆点标记另一类数据 
            
%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';