function?[sysx0strts]?=?spacemodel（txuflag）

switch?flag
case?0
????[sysx0strts]=mdlInitializeSizes;
case?1
????sys=mdlDerivatives（txu）;
case?3
????sys=mdlOutputs（txu）;
case?{249}
????sys=[];
otherwise
????error（[‘Unhandled?flag?=?‘num2str（flag）]）;
end

function?[sysx0strts]=mdlInitializeSizes
sizes?=?simsizes;
sizes.NumContStates??=?2;
sizes.NumDiscStates??=?0;
sizes.NumOutputs?????=?2;
sizes.NumInputs??????=?1;
sizes.DirFeedthrough?=?1;
sizes.NumSampleTimes?=?0;
sys?=?simsizes（sizes）;
x0?=?[pi/6;0];
str?=?[];
ts?=?[];

function?sys=mdlDerivatives（txu）
a=25+5*sin（t）;
b=133+10*sin（t）;
dt=0.10*sin（2*pi*t）;

sys（1）=x（2）;
sys（2）=-a*x（2）+b*（u+dt）;
function?sys=mdlOutputs（txu）
sys（1）=x（1）;
sys（2）=x（2）;

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????4019??2013-02-26?09:51??chap4\chap4_1.m

?????文件???????2488??2013-02-26?09:51??chap4\chap4_2.m

?????文件????????199??2013-02-26?09:51??chap4\chap4_3func.m

?????文件???????1022??2013-02-26?09:51??chap4\chap4_3plant.m

?????文件????????281??2013-02-26?09:51??chap4\chap4_3plot.m

?????文件???????1840??2013-02-26?09:51??chap4\chap4_3rule.m

?????文件???????1191??2013-02-26?09:51??chap4\chap4_3s.m

?????文件??????23322??2013-02-26?09:51??chap4\chap4_3sim.mdl

?????文件???????1288??2013-02-26?09:51??chap4\chap4_4plant.m

?????文件???????1840??2013-02-26?09:51??chap4\chap4_4rule.m

?????文件???????1236??2013-02-26?09:51??chap4\chap4_4s.m

?????文件??????23341??2013-02-26?09:51??chap4\chap4_4sim.mdl

?????文件????????970??2013-02-26?09:51??chap4\chap4_5plant.m

?????文件????????452??2013-02-26?09:51??chap4\chap4_5plot.m

?????文件???????1883??2013-02-26?09:51??chap4\chap4_5s.m

?????文件??????14801??2013-02-26?09:51??chap4\chap4_5sim.mdl

?????文件????????246??2013-02-26?09:51??chap4\chap4_6mf.m

?????文件???????1205??2013-02-26?09:51??chap4\chap4_6plant.m

?????文件????????377??2013-02-26?09:51??chap4\chap4_6plot.m

?????文件???????2517??2013-02-26?09:51??chap4\chap4_6s.m

?????文件??????17774??2013-02-26?09:51??chap4\chap4_6sim.mdl

?????文件???????1189??2013-02-26?09:51??chap4\chap4_7plant.m

?????文件????????377??2013-02-26?09:51??chap4\chap4_7plot.m

?????文件???????2785??2013-02-26?09:51??chap4\chap4_7s.m

?????文件??????14256??2013-02-26?09:51??chap4\chap4_7sim.mdl

?????文件????????868??2013-02-26?09:51??chap4\chap4_8plant.m

?????文件???????1037??2013-02-26?09:51??chap4\chap4_8plant1.m

?????文件????????185??2013-02-26?09:51??chap4\chap4_8plot.m

?????文件???????1698??2013-02-26?09:51??chap4\chap4_8s.m

?????文件??????14107??2013-02-26?09:51??chap4\chap4_8sim.mdl

............此處省略185個(gè)文件信息