資源簡介
通過本次實驗,熟悉求解常微分方程初值問題的有關方法和理論,主要是歐拉法、改進歐拉法、四階龍格庫塔法,學會編制這兩種方法的計算程序。體會這兩種解法的功能、優(yōu)缺點及適用場合。
解初值問題,并在屏幕上按適當?shù)谋壤臀恢卯嫵鲎鴺溯S及解的函數(shù)曲線。
matlab7.0以上版本,圖形界面,帶實驗報告

代碼片段和文件信息
function?varargout?=?changweifen(varargin)
%?CHANGWEIFEN?M-file?for?changweifen.fig
%??????CHANGWEIFEN?by?itself?creates?a?new?CHANGWEIFEN?or?raises?the?existing
%??????singleton*.
%
%??????H?=?CHANGWEIFEN?returns?the?handle?to?a?new?CHANGWEIFEN?or?the?handle?to
%??????the?existing?singleton*.
%
%??????CHANGWEIFEN(‘CALLBACK‘hobjecteventDatahandles...)?calls?the?local
%??????function?named?CALLBACK?in?CHANGWEIFEN.M?with?the?given?input?arguments.
%
%??????CHANGWEIFEN(‘Property‘‘Value‘...)?creates?a?new?CHANGWEIFEN?or?raises?the
%??????existing?singleton*.??Starting?from?the?left?property?value?pairs?are
%??????applied?to?the?GUI?before?changweifen_OpeningFunction?gets?called.??An
%??????unrecognized?property?name?or?invalid?value?makes?property?application
%??????stop.??All?inputs?are?passed?to?changweifen_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?changweifen
%?Last?Modified?by?GUIDE?v2.5?18-Nov-2008?16:43:34
%?Begin?initialization?code?-?DO?NOT?EDIT
gui_Singleton?=?1;
gui_State?=?struct(‘gui_Name‘???????mfilename?...
???????????????????‘gui_Singleton‘??gui_Singleton?...
???????????????????‘gui_OpeningFcn‘?@changweifen_OpeningFcn?...
???????????????????‘gui_OutputFcn‘??@changweifen_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?changweifen?is?made?visible.
function?changweifen_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?changweifen?(see?VARARGIN)
%?Choose?default?command?line?output?for?changweifen
handles.output?=?hobject;
%?Update?handles?structure
guidata(hobject?handles);
%?UIWAIT?makes?changweifen?wait?for?user?response?(see?UIRESUME)
%?uiwait(handles.figure1);
%?---?Outputs?from?this?function?are?returned?to?the?command?line.
function?varargout?=?changweifen_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?edit1_Callback(hobject?eventdata?handles)
%?hOb
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????5250??2008-12-08?16:47??實驗三?常微分方程\changweifen.fig
?????文件??????15014??2008-12-08?16:49??實驗三?常微分方程\changweifen.m
?????目錄??????????0??2008-12-11?20:04??實驗三?常微分方程
?????文件?????119587??2008-12-11?20:02??實驗三?常微分方程\實驗三?常微分方程.doc
-----------?---------??----------?-----??----
???????????????139851????????????????????4
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