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Re: explanation need!

• To: mathgroup at smc.vnet.net
• Subject: [mg73482] Re: explanation need!
• From: "dimitris" <dimmechan at yahoo.com>
• Date: Mon, 19 Feb 2007 01:30:21 -0500 (EST)
• References: <er9co7$d89$1@smc.vnet.net>

On Feb 18, 1:19 pm, "dimitris" <dimmec... at yahoo.com> wrote:
> Hello.
>
> Can somebody expalin the following code (which is used in order to
> "block" the use of the RootReduce function by FullSimplify; this
> example is adopted by Peter Pein's post here:
>
> http://groups.google.gr/group/comp.soft-sys.math.mathematica/browse_t...
> )
>
> In[7]:=
> << "Developer`"
> ClearCache[]
> s3 = Block[{RootReduce}, FullSimplify[Solve[1 + x^2 + x^3 == 0]]]
>
> More specifically why is needed to change context first?
> What does the function ClearCache here in particular?
> Should the following command give a different output?
>
> In[10]:=
> $Context
>
> Out[10]=
> "Global`"
>
> Thanks a lot!
>
> Dimitris

Thanks a lot Andrzej!
You were, as always, absolutely clear!

Best Regards
Dimitris