approximation.m

RBF神经网络之二 Approximation(近似) --------> 先把数据分组,然后以组为单位

function varargout = ExactInterpolaton(varargin)
% EXACTINTERPOLATON M-file for ExactInterpolaton.fig
%      EXACTINTERPOLATON, by itself, creates a new EXACTINTERPOLATON or raises the existing
%      singleton*.
%
%      H = EXACTINTERPOLATON returns the handle to a new EXACTINTERPOLATON or the handle to
%      the existing singleton*.
%
%      EXACTINTERPOLATON('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in EXACTINTERPOLATON.M with the given input arguments.
%
%      EXACTINTERPOLATON('Property','Value',...) creates a new EXACTINTERPOLATON or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before ExactInterpolaton_OpeningFunction gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to ExactInterpolaton_OpeningFcn via varargin.
%
%      *See GUI Options on GUIDE's Tools menu.  Choose "GUI allows only one
%      instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES

% Edit the above text to modify the response to help ExactInterpolaton

% Last Modified by GUIDE v2.5 25-Jan-2006 22:57:54

% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @ExactInterpolaton_OpeningFcn, ...
                   'gui_OutputFcn',  @ExactInterpolaton_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
% End initialization code - DO NOT EDIT


% --- Executes just before ExactInterpolaton is made visible.
function ExactInterpolaton_OpeningFcn(hObject, eventdata, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
% varargin   command line arguments to ExactInterpolaton (see VARARGIN)

% Choose default command line output for ExactInterpolaton
handles.output = hObject;
handles.user_selection = 1;
handles.interval = 0.1;
handles.stop = 0;
handles.kfold=1;
% Update handles structure
guidata(hObject, handles);

% UIWAIT makes ExactInterpolaton wait for user response (see UIRESUME)
% uiwait(handles.figure1);


% --- Outputs from this function are returned to the command line.
function varargout = ExactInterpolaton_OutputFcn(hObject, eventdata, handles) 
% varargout  cell array for returning output args (see VARARGOUT);
% hObject    handle to figure
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Get default command line output from handles structure
varargout{1} = handles.output;



function test_edit_Callback(hObject, eventdata, handles)
% hObject    handle to test_edit (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of test_edit as text
%        str2double(get(hObject,'String')) returns contents of test_edit as a double


% --- Executes during object creation, after setting all properties.
function test_edit_CreateFcn(hObject, eventdata, handles)
% hObject    handle to test_edit (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end



function learn_edit_Callback(hObject, eventdata, handles)
% hObject    handle to learn_edit (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of learn_edit as text
%        str2double(get(hObject,'String')) returns contents of learn_edit as a double


% --- Executes during object creation, after setting all properties.
function learn_edit_CreateFcn(hObject, eventdata, handles)
% hObject    handle to learn_edit (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end



% function valid_edit_Callback(hObject, eventdata, handles)
% hObject    handle to valid_edit (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of valid_edit as text
%        str2double(get(hObject,'String')) returns contents of valid_edit as a double


% --- Executes during object creation, after setting all properties.
% function valid_edit_CreateFcn(hObject, eventdata, handles)
% hObject    handle to valid_edit (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end



function spread_edit_Callback(hObject, eventdata, handles)
% hObject    handle to spread_edit (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'String') returns contents of spread_edit as text
%        str2double(get(hObject,'String')) returns contents of spread_edit as a double
val = str2double(get(hObject,'String'));
if isnumeric(val) & ...
   val  >= get(handles.spread_slider,'Min') & ...
   val  <= get(handles.spread_slider,'Max')
   set(handles.spread_slider,'Value',val);
else
% Increment the error count, and display it
    %handles.number_errors = handles.number_errors+1;
     errordlg('Invalid value, the value must between 0 and 3.4 ','Input Error');
    set(hObject,'string','0.3');
    set(handles.spread_slider,'Value',0.3);
    guidata(hObject,handles); % store the changes
end
guidata(hObject,handles);


% --- Executes during object creation, after setting all properties.
function spread_edit_CreateFcn(hObject, eventdata, handles)
% hObject    handle to spread_edit (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: edit controls usually have a white background on Windows.
%       See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor','white');
end


% --- Executes on slider movement.
function spread_slider_Callback(hObject, eventdata, handles)
% hObject    handle to spread_slider (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)

% Hints: get(hObject,'Value') returns position of slider
%        get(hObject,'Min') and get(hObject,'Max') to determine range of slider
format short;

set(handles.spread_edit,'String',...
    num2str(get(hObject,'Value')));

% --- Executes during object creation, after setting all properties.
function spread_slider_CreateFcn(hObject, eventdata, handles)
% hObject    handle to spread_slider (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    empty - handles not created until after all CreateFcns called

% Hint: slider controls usually have a light gray background.
if isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
    set(hObject,'BackgroundColor',[.9 .9 .9]);
end

set(hObject,'Value',0.3);

% --- Executes on button press in train_pushbutton.
function train_pushbutton_Callback(hObject, eventdata, handles)
% hObject    handle to train_pushbutton (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
set(handles.timer_text,'string','0');
handles.stop=0;
timer1 = timer('StartDelay',1,'Period', 1, 'ExecutionMode','fixedDelay');      
timer1.timerFcn = {@timer1_callback_fcn,handles,hObject};
start(timer1);
guidata(hObject, handles);

[error,u,w]=train(handles);

%mesh the original fcn
interval = handles.interval;
axes(handles.axes5);
[x1, x2]=meshgrid(-1.5:interval:1.5);
F = 20+x1.^2-10*cos(2*pi*x1)+x2.^2-10*cos(2*pi*x2);
mesh(x1,x2,F);

%mesh the get best net
%working one
[i, j]=meshgrid(-1.5:interval:1.5);
row =size(i);
x=i(:);
x=x';
y=j(:);
y=y';
size(x)
size(y)
size(u)
size(w)
v=simlinear([x;y],u,w);
size(v)
v=reshape(v,row);
axes(handles.axes13);

mesh(j,i,v);
% set(handles.axes13,'zlim',[-1,1]);
%end of workding one

% %testing one
% x=1;
% for i=-1.5:0.1:1.5
%     j=-1.5:0.1:1.5;
%     i1 = ones(1,31)*i;
%     v(x,:)=sim(net,[i1;j]);
%     x=x+1;
% end
% [i, j]=meshgrid(-1.5:interval:1.5);
% axes(handles.axes13);
% axis([-2 2 -2 2 0 60]);
% mesh(j,i,v);
%  %end of testing
    


%mesh the error surface
axes(handles.axes14);
set(handles.axes14,'zlim',[0,60]);
er = F-v;
mesh(j,i,er);
set(handles.axes14,'zlim',[0,60]);
%plot the error bar