Radio buttons are typically used when there is a set of mutually exclusive options to choose from. For this use case, MATLAB provides QUESTDLG:
This dialog uses push buttons and closes when an option is selected.
If you want to pursue radio buttons, you might browse the File Exchange for the user-contributed input dialog utilities there, or you could develop your own using UICONTROL for a radio button:
function createRadioDialog
dlg = dialog('Position',[200 200 30 30]);
uicontrol('Parent',dlg,'Style','text','String', 'Select?','Units','norm','Position',[0 0 0.5 0.7]);
uicontrol('Parent',dlg,'Style','radio','Units','norm','Position',[0.5 0 0.5 1]);
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