Matlab - mostrar varios string en un static text

function varargout = contar_dias1(varargin)

gui_Singleton = 1;

gui_State = struct('gui_Name',       mfilename, ...

                   'gui_Singleton',  gui_Singleton, ...

                   'gui_OpeningFcn', @contar_dias1_OpeningFcn, ...

                   'gui_OutputFcn',  @contar_dias1_OutputFcn, ...

                   'gui_LayoutFcn',  [] , ...

                   'gui_Callback',   []);

if nargin && ischar(varargin{1})

    gui_State.gui_Callback = str2func(varargin{1});

end

if nargout

    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});

else

    gui_mainfcn(gui_State, varargin{:});

end

function contar_dias1_OpeningFcn(hObject, eventdata, handles, varargin)

handles.output = hObject;

guidata(hObject, handles);

function varargout = contar_dias1_OutputFcn(hObject, eventdata, handles)

varargout{1} = handles.output;

function edit1_Callback(hObject, eventdata, handles)

function edit2_Callback(hObject, eventdata, handles)

dia=get(handles.edit1,'String') ;

numero=get(handles.edit2,'String');

for i=1:str2double(numero)

    C{i,1}=['dia ',num2str(i)];

end

set(handles.text1,'string',C)