function dy=vp2
dy=zeros(2,1)
dy(1)=y(2)
dy(2)=2*3*y(1)
>> [T,Y]=ode45(@vp2,[0 1],[0 10])
??? Error using ==> vp2
Too many input arguments.
Error in ==> funfun\private\odearguments at 110
f0 = feval(ode,t0,y0,args{:}); % ODE15I sets args{1} to yp0.
Error in ==> ode45 at 173
[neq, tspan, ntspan, next, t0, tfinal, tdir, y0, f0, odeArgs, odeFcn, ...
怎么错了？？？求指教
还有，如果lfunction里syms s ; dy（2）=s*y(1) 能行吗？？？