%?ch1example1prg1.m
g=9.8;??%?重力加速度
v=0;????%?設定初始速度條件
s=0;????%?設定初始位移條件
t=0;????%?設定起始時間
dt=0.1;?%?設置計算步長
N=20;???%?設置仿真遞推次數.?仿真時間等于N與dt的乘積
for?k=1:N
??v=v+g*dt;?????????????????%?計算新時刻的速度
??s（k+1）=s（k）+v*dt;?????????%?新位移
??t（k+1）=t（k）+dt;???????????%?時間更新
end
%?理論計算?以便與仿真結果對照
t_theory=0:0.01:N*dt;???????%?設置解析計算的時間點
v_theory=g*t_theory;????????%?解析計算的瞬時速度
s_theory=1/2*g*t_theory.^2;?%?解析計算的瞬時位移
%?作圖:?仿真結果與解析結果對比
t=0:dt:N*dt;
plot（ts‘o‘?t_theorys_theory?‘-‘）;
xlabel（‘時間?t‘）;?ylabel（‘位移?s‘）;
legend（‘仿真結果‘‘理論結果‘）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????8789??2007-07-02?17:58??algebraiclooptest.mdl
?????文件???????13247??2007-06-30?13:37??AnalogtoDigitalandDA_Demo.mdl
?????文件???????15196??2007-06-30?12:24??AnalogtoDigitalandRateConverterDemo.mdl
?????文件?????????681??2007-10-22?19:42??ch1example1prg1.m
?????文件?????????621??2007-06-19?07:23??ch1example1prg2.m
?????文件?????????645??2007-06-23?08:00??ch1example2prg1.m
?????文件?????????600??2007-06-19?07:27??ch1example2prg2.m
?????文件?????????924??2007-06-19?07:32??ch1example3prg1.m
?????文件?????????394??2007-10-22?12:50??ch1example3prg2.m
?????文件????????1106??2007-06-19?07:35??ch1example4prg1.m
?????文件?????????987??2007-10-22?12:49??ch2example10prg1.m
?????文件?????????422??2007-10-14?18:33??ch2example10statefun.m
?????文件????????1383??2007-10-22?12:49??ch2example11prg1.m
?????文件?????????547??2007-06-24?14:16??ch2example11statefun.m
?????文件????????7658??2007-06-25?16:11??ch2example12.mdl
?????文件???????13160??2007-06-25?17:41??ch2example12mdl2.mdl
?????文件???????14612??2007-06-26?07:52??ch2example13.mdl
?????文件???????15602??2007-06-26?11:14??ch2example14.mdl
?????文件????????9893??2007-06-27?08:04??ch2example15.mdl
?????文件????????1262??2007-06-27?08:35??ch2example15data.txt
?????文件????????1914??2007-10-07?12:54??ch2example15Sfun.m
?????文件?????????335??2007-06-27?08:26??ch2example15SfunB.m
?????文件????????8088??2007-06-27?10:50??ch2example16.mdl
?????文件???????33873??2007-06-27?11:19??ch2example16sfun.c
?????文件???????24576??2007-06-27?11:19??ch2example16Sfun.dll
?????文件????????1343??2007-06-27?11:19??ch2example16sfun.h
?????文件????????1914??2007-10-07?12:54??ch2example16Sfun.m
?????文件????????6483??2007-06-27?11:19??ch2example16sfun_mex.c
?????文件????????9191??2007-06-27?14:10??ch2example17.mdl
?????文件????????1350??2007-10-07?12:54??ch2example17Sfun.m
?????文件????????9919??2007-06-27?17:35??ch2example18A.mdl
............此處省略177個文件信息