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Topic: Variables within With statement
Replies: 5   Last Post: Dec 22, 2011 4:01 AM

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markholtuk@googlemail.com

Posts: 17
Registered: 6/27/07
Re: Variables within With statement
Posted: Dec 22, 2011 4:01 AM
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On Dec 20, 8:09 am, Szabolcs <szhor...@gmail.com> wrote:
> On Saturday, 17 December 2011 08:39:51 UTC+1, markholtuk wrote:
> > You could try delaying assignment of a, as follows:
>
> > In[1]:= With[{a := a = 5, b = 10 a}, a + b]
>
> > Out[1]= 55
>
> Please note that this solution modifies the global variable 'a', and therefore defeats the purpose of With (which is defining *local* constants).



Indeed. Apologies for this. The Christmas run-up appears to be having
its usual effect on my IQ!




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