Error with NDSolve
- To: mathgroup at smc.vnet.net
- Subject: [mg50917] Error with NDSolve
- From: mathma18 at hotmail.com (Narasimham G.L.)
- Date: Tue, 28 Sep 2004 00:58:26 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
There is error in si[t] even after the interpolating function is
obtained. Thanks for fix.
NDSolve[ {si2'[t] == 2, si2[0] == 0,
th2'[t] == Sin[si2[t]]/r2[t], th2[0] == 0, r2'[t] == Cos[si2[t]],
r2[0] == 1}, {si2, r2, th2}, {t, 0, 25}]; r [t_] = r2[t] /. First[%];
th[t_] = th2[t] /. First[%];
(* error -> *) si[t_] = si2[t] /. First[%];
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