gui_polyfit_12_5.asv

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function varargout = gui_polyfit_12_5(varargin)
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @gui_polyfit_12_5_OpeningFcn, ...
                   'gui_OutputFcn',  @gui_polyfit_12_5_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 gui_polyfit_12_5_OpeningFcn(hObject, eventdata, handles, varargin)
set(handles.x_edit,'String','0  0.1  0.2  0.3  0.4  0.5  0.6  0.7   0.8  0.9  1');
set(handles.y_edit,'String','0.46  1.99  3.27  6.16  7.08  7.34  7.56  9.66  9.45  9.34  11.4');
set(handles.n_edit,'String','3');
handles.output = hObject;
guidata(hObject, handles);
function varargout = gui_polyfit_12_5_OutputFcn(hObject, eventdata, handles) 
varargout{1} = handles.output;
function polyfit_pushbutton_Callback(hObject, eventdata, handles)
x=str2num(get(handles.x_edit,'String'));
y=str2num(get(handles.y_edit,'String'));
n=str2num(get(handles.n_edit,'String'));
plot(x,y,'k:','Marker','o');
hold on;
p=polyfit(x, y, n);
yy=polyval(p, x);
plot(x,yy,'r-');
set(handles.xishu_edit,'String',strcat('p = ',num2str(p)));
function close_pushbutton_Callback(hObject, eventdata, handles)
close
function polyfit_menu_Callback(hObject, eventdata, handles)
polyfit_pushbutton_Callback(hObject, eventdata, handles)
function close_menu_Callback(hObject, eventdata, handles)
close
function file_menu_Callback(hObject, eventdata, handles)
function x_edit_Callback(hObject, eventdata, handles)
function x_edit_CreateFcn(hObject, eventdata, handles)
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end
function y_edit_Callback(hObject, eventdata, handles)
function y_edit_CreateFcn(hObject, eventdata, handles)
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end
function xishu_edit_Callback(hObject, eventdata, handles)
function xishu_edit_CreateFcn(hObject, eventdata, handles)
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end