[no subject]
- To: undisclosed-recipients:;
- From: "Steven M. Christensen" <steve at smc.vnet.net>
- Date: Fri, 9 Dec 2011 05:58:13 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
Z
Subject: [mg123513] NDSolve[]
To: mathgroup at smc.vnet.net
For the same equations, why does the first method as following give
the error but the other one give the desired result?
NDSolve[{Derivative[x[t], t] == -y[t] - x[t]^2,
Derivative[y[t], t] == 2*x[t] - y[t], x[0] == y[0] == 1}, {x,
y}, {t, 10}]
NDSolve[{x'[t] == -y[t] - x[t]^2, y'[t] == 2*x[t] - y[t],
x[0] == y[0] == 1}, {x, y}, {t, 10}]
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