laplacianbutton_callback.m

流形学习程序

function LaplacianButton_Callback(hObject, eventdata, handles)
% --- Executes on button press in LaplacianButton.

handles.K = round(str2double(get(handles.KEdit,'String')));
handles.K = max(1,handles.K);
handles.d = round(str2double(get(handles.DimEdit,'String')));
updateString{1} = 'Running Laplacian Eigenmap.';
set(handles.UpdatesText,'String',updateString);
tic;
[E,V] = leigs(handles.X, 'nn', handles.K, handles.d+1);
handles.Y = E(:,1:handles.d);
runTime = toc;
guidata(hObject, handles);
PlotEmbedding(hObject,eventdata,handles,0);
assignin ('base','maniY',handles.Y);
updateString{2} = ['Laplacian complete: ',num2str(runTime),'s'];
updateString{3} = 'Embedding data written to matrix "maniY"';
set(handles.UpdatesText,'String',updateString);