Re: Two-point BVP

*To*: mathgroup at smc.vnet.net*Subject*: [mg48250] Re: Two-point BVP*From*: "Peter Pein" <petsie at arcor.de>*Date*: Wed, 19 May 2004 02:42:41 -0400 (EDT)*References*: <c89pul$t43$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

"XC" <rioch at hotmail.com> schrieb im Newsbeitrag news:c89pul$t43$1 at smc.vnet.net... > 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 > > Use Equal (==), not Set (=) In this special case you should DSolve the system (using 1/2 instead of 0.5 and 0 in place of 0.) -- Peter Pein, Berlin to write to me, start the subject with [