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Re: Dynamic: feature?

• To: mathgroup at smc.vnet.net
• Subject: [mg88047] Re: Dynamic: feature?
• From: dh <dh at metrohm.ch>
• Date: Wed, 23 Apr 2008 04:06:19 -0400 (EDT)
• References: <fukem6$s0m$1@smc.vnet.net>

Hi Chris,

if you assigne 2 rules for f, Mathematica takes the first one it finds. 

And as it searche in alphabetic order, a wins over b.

hope this helps, Daniel





Chris Osborn wrote:

> I have a cell containing this:

> 

> Dynamic[f[a, b]]

> 

> Then I do this:

> 

> a /: f[a, b] = 12

> 

> and the dynamic cell updates to 12, as I would expect.

> 

> When I do this:

> 

> b /: f[a, b] = 45

> 

> The dynamic cell does *not* update for some reason.

> It seems as though it does not realize an update has occurred when it

> is associated with b.

> 

> Does anyone know why this is?

> 

> Thanks in advance,

> Chris

> 

>