Using manipulate in two cells in one note book crashes my computer.

• To: mathgroup at smc.vnet.net
• Subject: [mg98140] Using manipulate in two cells in one note book crashes my computer.
• From: sean k <sean_incali at yahoo.com>
• Date: Tue, 31 Mar 2009 04:18:39 -0500 (EST)

```Hello Group.

I'm having an awful time with this.  I have 2 essentially same codes
using manipulate. Only differences are the ODEs.

When I have both of the cells open, the Mathematica goes crazy, with
the cell brackets flashing as if it's evaluating both cells at the
same time.  Eventually it will crash or I have to stop it using "Alt
+."

Is anyone else having the same problem?

Here're the cells causing problems.

cell 1

Manipulate[dsol=DSolve[{b''[t]==-k1 k2 b[t]-k1 b'[t], b[0]==b0, b'[0]
==bp0}, b[t], t];
Plot[Evaluate[b[t]/.dsol],{t, 0, 10},PlotRange-> All], {k1, 0.1, 10},
{k2, 0.1, 10}, {b0, 0.1, 10}, {bp0, 0.1, 10}]

cell 2

Manipulate[dsol=DSolve[{k1 k2 b[t]==k1 b'[t]+b''[t], b[0]==b0, b'[0]
==bp0}, b[t], t];
Plot[Evaluate[b[t]/.dsol],{t, 0, 10},PlotRange-> All], {k1, 0.1, 10},
{k2, 0.1, 10}, {b0, 0.1, 10}, {bp0, 0.1, 10}]

In two separate notebooks, these two cells cause no problems. In the
same notebook, if one of the cells are closed (by double clicking on
the cell bracket), they don't cause problems. It's only when the cells
are both open, the mathematica goes crazy and crashes.

Thanks for any info.

Sean

This is a repeat post because I'm not sure if my google post went to the group... If it did, please ignore this.  I didn't mean to post this twice.

```

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