summerӷ

͵ıҪڶģеһЩмӷ㣬zzz

ıϵ

һĳΪsummerͣômodel¶ʱavailable inputԶгǰģпԱӺ͵ıһȫıԣ˫available inputеıѡеıԶԼӺţ+ܿԶЩʵ㣬xmʵϣxm͵Ķ巽ʽõ

summerӷõĽģʱõĻַйءɲһ£EulerRunge-KuttaǣõĽǷһ¡ȻֻĿǰģͶԣȽϸӣ

zzz=x + dx + r + xm
dx=x*r*(1-x/xm)
xm=x/10+r

ǱȽϼ򵥣summerֱõĳϣ

zzz1=x+r

ַֻʽһĵڶҳ


