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Re: Newbie Programming question

• To: mathgroup at smc.vnet.net
• Subject: [mg53448] Re: [mg53436] Newbie Programming question
• From: Sseziwa Mukasa <mukasa at jeol.com>
• Date: Wed, 12 Jan 2005 03:41:19 -0500 (EST)
• References: <200501110632.BAA00755@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

On Jan 11, 2005, at 1:32 AM, Kerry Kim wrote:

> Hello,
>
> Is there any way in Mathematica to store/assign a value to a variable
> whose name is in a string?  In other words something like this:
>
> i = 17;
> foo="var" + ToString[i];
> SomeFunctionThatConvertsStringToSymbolName[foo] = 17;
>
> and then assign some value (say, 23) to the variable whose name is
> contained in the foo string? (i.e. var17=23)
>

You have to use Evaluate since Set has the attribute HoldFirst but the 
following does what you want

Evaluate[ToExpression[foo]]=17

Regards,

Ssezi

• References:
  • Newbie Programming question
    • From: Kerry Kim <kjkim@u.washington.edu>