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MathGroup Archive 1992

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  • To: MATHGROUP at
  • Subject: ODE's
  • From: Mathematica Account <mma at>
  • Date: Tue, 8 Dec 92 11:51:24 GMT

Can anyone see why the following set of two second order d.e.'s with
constant coefficients fails (after a substantial amount of

  DSolve[{6 x''[t]+n^2 (4 x[t]-2y[t])==0,6y''[t]+n^2(-3 x[t]+3
 y[t])==0,x[0]==0,x'[0]==0,y[0]==0,y'[0]==p/(3 m)},{x[t],y[t]},t]
 D.C. Heggie,
 University of Edinburgh,
 Dept. of Maths. & Stats.,
 King's Buildings,
 Edinburgh EH9 3JZ,
 Tel. (031-)650 5035
 Fax  (031-)650 6553
 Room 6222, JCMB

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