GUI

Create Figure

h.fig =  figure('Name', 'titel_der_figur', ...
        'NumberTitle', 'off', ...
        'position', [left bottom width height], ...
        'Resize', 'off', ...
        'Menubar', 'none');

static text

h.text = uicontrol('Style', 'text',...
        'Parent', h.panelControl, ...
        'FontSize', 14, ...
        'String', 'CHOOSE ALGORITHM',...
        'Units', 'normalized', ...
        'Position', [0 0 1 1],...
        'Callback', @setmap);   

popup menu

h.popupmenu = uicontrol('Style', 'popup',...
        'Parent', h.panelControl, ...
        'String', {'Entry1','Entry2','Entry3'},...
        'Units', 'normalized', ...
        'Position', [left bottom width height],...
        'Callback', @setmap);   

plot inside a panel

h = figure;
hp = uipanel('Title','Main Panel','FontSize',12,...
             'BackgroundColor','white',...
             'Position',[.25 .1 .67 .67]);

sp1 = subplot(2, 2, 1, 'Parent', hp);
plot(1:10);
sp4 = subplot(2, 2, 4, 'Parent', hp);
surf(peaks);