Question

matlab ode45求解微分方程 D2y-0.01*Dy.^2+2*y=sin(t),

Answer 1

function z=krsx(t,y)%保存为 krsx.m 文件z=[y(2);0.01*y(2).^2-2*y(1)+sin(t)];--------------------------------------------------运行以下：[t,y]=ode45('krsx',[0 5],[0;1]);plot(t,y(:,1),t,y(:,2))legend('t-y','t-Dy')