Two-point BVP

*To*: mathgroup at smc.vnet.net*Subject*: [mg48191] Two-point BVP*From*: "XC" <rioch at hotmail.com>*Date*: Mon, 17 May 2004 03:22:01 -0400 (EDT)*Organization*: Cornell University*Sender*: owner-wri-mathgroup at wolfram.com

Hi, I am pretty new with Mathematica. How can I solve the following system? sol = NDSolve[{x''[t] == (y[ t] - x[t]), y''[t] == -(y[t] - x[t]), x[0] == -0.5, x[1] == 0.5, y'[1] = 0., y'[0] = 0.}, {x, y}, {t, 0, 1}] It seems that I cannot set the boundary condition right. Thanks