Re: Assign a value to a variable
- To: mathgroup at smc.vnet.net
- Subject: [mg63014] Re: Assign a value to a variable
- From: dh <dh at metrohm.ch>
- Date: Sun, 11 Dec 2005 04:56:35 -0500 (EST)
- References: <dnedkh$tf$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi Ben,
The operator Set has the Attribute "HoldFirst". It therefore does not
evaluate the lefthand side of lhs = rhs.
You can force an evaluation by:
Evaluate[lhs]=rhs
Daniel
Ben Becker wrote:
> Hi!
>
> I have a list of variables:
> vars = {a, b, c, d, e, f, g, h, i}
>
> and a list of numbers:
> numbers = Range[9]
>
> Now i'd like to choose randomly a variable and a number. and then i'd
> like to assign the number to the variable.
> I thought of somehting like that:
>
> vars[[Random[Integer, {1, Length[vars]}]]] =
> numbers[[Random[Integer, {1, Length[numbers]}]]]
>
> but it doesn't work.
>
> i hope you have an idea!
>
> thank you for answering!
>
> MFG Ben
>