%?ch1problem2.m
g=9.8;???%?重力加速度
k=-1;????%?空氣阻力系數
dt=0.1;??%?設置計算步長
N=30;????%?設置仿真遞推次數.?仿真時間等于N與dt的乘積
for?m=[1?2?10]??%?三種落體質量
????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
????for?i=1:N
??????a=g+k/m*v;????????????????%?計算加速度
??????v=v+a*dt;?????????????????%?計算新時刻的速度
??????s（i+1）=s（i）+v*dt;?????????%?新位移
??????t（i+1）=t（i）+dt;???????????%?時間更新
????end
plot（ts‘o‘）;
%legend（‘理論結果‘‘仿真結果‘）;
hold?on;
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（t_theorys_theory?‘-‘）;
plot（ts‘o‘?t_theorys_theory?‘-‘）;
xlabel（‘時間?t‘）;?ylabel（‘位移?s‘）;
%?legend（‘理論結果‘‘‘）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????1289??2009-08-09?10:58??通信建模課后答案\ch2problem16script.m

?????文件??????20529??2009-08-09?09:58??通信建模課后答案\ch2problem15.mdl

?????文件????????187??2009-08-08?16:26??通信建模課后答案\ch2problem14script.m

?????文件??????28089??2009-08-08?16:19??通信建模課后答案\ch2problem14.mdl

?????文件??????20534??2009-08-08?14:25??通信建模課后答案\ch2problem12.mdl

?????文件???????1096??2009-08-08?14:03??通信建模課后答案\ch2example22Sfun.m

?????文件??????18266??2009-08-08?12:54??通信建模課后答案\ch2problem11.mdl

?????文件???????1043??2009-08-08?12:50??通信建模課后答案\ch2problem11Sfun.m

?????文件??????20688??2009-08-08?10:26??通信建模課后答案\ch2problem10.mdl

?????文件???????1317??2009-08-08?10:16??通信建模課后答案\ch2problem10Sfun.m

?????文件??????21438??2009-08-08?09:34??通信建模課后答案\ch2problem9.mdl

?????文件???????1062??2009-08-08?08:41??通信建模課后答案\ch2problem9Sfun.m

?????文件??????28213??2009-08-07?17:50??通信建模課后答案\ch2problem8.mdl

?????文件????????993??2009-08-07?17:00??通信建模課后答案\ch2problem8Sfun.m

?????文件??????24949??2009-08-07?16:00??通信建模課后答案\ch2problem7.mdl

?????文件???????1087??2009-08-07?15:17??通信建模課后答案\ch2problem7Sfun.m

?????文件????????590??2009-08-06?11:38??通信建模課后答案\ch2problem6main.m

?????文件????????611??2009-08-06?11:05??通信建模課后答案\ch2problem6statefun.m

?????文件????????355??2009-08-06?10:26??通信建模課后答案\ch2problem5statefun.m

?????文件???????1120??2009-08-06?09:32??通信建模課后答案\ch2problem5main.m

?????文件????????765??2010-09-20?12:31??通信建模課后答案\ch2problem2.m

?????文件????????698??2009-08-05?20:23??通信建模課后答案\pendulumstateeq.m

?????文件????????443??2009-08-05?17:13??通信建模課后答案\rcstateequation.m

?????文件????????683??2009-08-05?17:08??通信建模課后答案\ch2problem1.m

?????文件????????961??2009-08-05?17:07??通信建模課后答案\eulerode.m

?????文件????????322??2009-08-05?14:20??通信建模課后答案\ch1problem5.m

?????文件????????890??2010-08-31?20:29??通信建模課后答案\ch1problem3.m

?????文件????????903??2010-08-31?21:08??通信建模課后答案\ch1problem2.m

?????文件??????80070??2009-09-02?10:10??通信建模課后答案\audio.wav

?????文件???????1255??2009-09-03?17:34??通信建模課后答案\ch2prob24Sfun.m

............此處省略157個文件信息