lala同学~~~, 看在党国的份上，拉兄弟一把

送交者: 淇淇于 May 31, 2003 00:22:42:

d(y^3)/dt=k1*(y/z-1)

where z^3-k2=k3*t, k1, k2 and k3 are constants, and both y=y(t) and z=z(t)。

y^3=y*y*y; z^3=z*z*z

求解y(t)

非常非常谢谢先。