資源簡介
簡單的PDE求解偏微分方程

代碼片段和文件信息
clear;
T=20;
L=10;
D=0.8;
w=pi/40;
d=(80/pi)^0.5;
M=200;
N=200;
t=linspace(0TM);
x=linspace(0LN);
t0=0.5+0.5*exp(-x/d).*sin(-x/d);
tin=0.5+0.5*sin(w*t);
options=odeset;
sol=pdepe(0@pdefun@tic@tbcxtoptions);
[xt]?=?meshgrid(xt);
k=0.5+0.5*exp(-x/d).*sin(w*t-x/d);
u=sol(::1);?
surf(xtu)
hold?on;
mesh(xtk)
figure;
imagesc(sol‘);
colorbar;
%imagesc(k‘);
t=linspace(035);?
sol=pdepe(0@pdefun@tic@tbcxtoptions);?????
u=sol(::1);
M=length(t);??xout=linspace(010200);?
[uoutdudx]=pdeval(mxu(M:)xout);?
plot(xoutuout);?
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????579??2018-06-04?23:28??homework529\homework529.m
?????文件???????1271??2018-06-04?23:32??homework529\homework5292.m
?????文件?????????65??2018-06-04?22:49??homework529\pdefun.m
?????文件????????105??2018-06-04?22:41??homework529\tbc.m
?????文件?????????79??2018-06-04?22:28??homework529\tic.m
?????目錄??????????0??2018-06-04?23:33??homework529
-----------?---------??----------?-----??----
?????????????????2099????????????????????6
評論
共有 條評論