differential equation solve
- To: mathgroup at smc.vnet.net
- Subject: [mg68821] differential equation solve
- From: "elvis" <rapstone at gmail.com>
- Date: Sun, 20 Aug 2006 04:43:39 -0400 (EDT)
- Sender: owner-wri-mathgroup at wolfram.com
Here we often use mathematica to solve differential equations, when I
encouter a equation with several constrains I set them to those values.
But it cannot solve it and have the following warnings:
DSolve::deqx: Supplied equations are not differential equations of
the given functions.
Give a very simple differential equation here:
DSolve[{y'[x] == r*y[x], y[0] == a}, y, x]
another equation:
\!\(DSolve[{\(x'\)[t] == r*x[t] \((1 - x[t]\/xm)\), x[0] == x0}, x,
t]\)
this face anothe prolbem
Can anyone help to "solve" this problem for me?
Thanks!
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