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function u=b() dt=0.1; %ʱ¼ä¼ä¸ô n=201; %Íø¸ñÊý h=2/(n-1); %¿Õ¼ä²½³¤ m=2/dt; %µü´ú´ÎÊý u=ones(m,n); u(:,1)=0; u(:,n)=0; for j=2:n-1 u(1,j)=sin(pi*j*h); end for i=1:m for j=2:n-1 u(i+1,j)=u(i,j)-u(i,j)*dt/2*h*(u(i,j+1)-u(i,j-1))+0.01*(dt/h^2)*(u(i,j+1)-2*u(i,j)+u(i,j-1)); end end end ÔËÐгöÀ´µÄ½á¹û£º£¨²¿·Ö£©ÎªÊ²Ã´µÚ¶þÐÐËã²»³öÀ´£¿ Columns 1 through 7 0 0.0628 0.0941 0.1253 0.1564 0.1874 0.2181 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 |
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