lm021.m

MATLAB6P5下的GUI设计－实时参数二阶时域曲线的自动绘制.rar

function varargout = lm021(varargin)
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @lm021_OpeningFcn, ...
                   'gui_OutputFcn',  @lm021_OutputFcn, ...
                   'gui_LayoutFcn',  [] , ...
                   'gui_Callback',   []);
if nargin & isstr(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 lm021 is made visible.
function lm021_OpeningFcn(hObject, eventdata, handles, varargin)

handles.output = hObject;

% Update handles structure
guidata(hObject, handles);

function varargout = lm021_OutputFcn(hObject, eventdata, handles)
varargout{1} = handles.output;


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

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


% --- Executes on selection change in zeta.
function zeta_Callback(hObject, eventdata, handles)
val=get(hObject,'value')
switch val
        case 1
        handles.data=0
        case 2
        handles.data=0.3
        case 3
        handles.data=0.5
        case 4
        handles.data=0.707
end

guidata(hObject,handles)

% --- Executes on button press in red.
function red_Callback(hObject, eventdata, handles)
x=0:0.1:20;
zeta=handles.data
y=1-1/sqrt(1-zeta^2)*exp((-1)*zeta*x).*sin(sqrt(1-zeta^2)*x+acos(zeta));
plot(x,y,'r')

% --- Executes on button press in plue.
function plue_Callback(hObject, eventdata, handles)
x=0:0.1:20;
zeta=handles.data
y=1-1/sqrt(1-zeta^2)*exp((-1)*zeta*x).*sin(sqrt(1-zeta^2)*x+acos(zeta));
plot(x,y,'b')