matlab

matlab学习5-解微积分方程

1、 dsolve解微分方程 dsolve('Du=1+u^2','t') 微分方程组 y=dsolve('D2y+4*Dy+29*y=0','y(0)=0,Dy(0)=15','x') [x,y,z]=dsolve('Dx=2*x-3*y+3*z','Dy=4*x-5*y+3*z','Dz=4*x-4*y+2*z', 't'); simplify(x)%将x化简 simp