Name: Vladyslav Shtabovenko (email_not_shown)
Date: 12/03/15-02:44:58 PM Z


Hmm, I must admit that I'm not even able to reproduce your problem.
On my Mathematica 9 the ordering always remains the same, no matter
if FeynCalc is loaded or not.

Apart from that, FeynCalc doesn't modify properties of Ordering and it
is definitely *not* supposed to change the ordering of the terms in the
front end.

Could you provide some more details?

Cheers,
Vladyslav

Am 03.12.2015 um 13:11 schrieb Sun Qingfeng:
> It is known in Mathematica, for three expressions "1", "r", and "z", the ordering strategy is
> Input: Ordering[{1, r, z}]
> Output: {1, 2, 3}
>
> Before I load the FC9.0, The output is what I want:
> Input: 1+r-z//Simplify
> Output: 1+r-z
>
> After loading the FC9.0
> Input: 1+r-z//Simplify
> Output: r-z+1
>
> My question is:
> How can I return the default output "1+r-z" when I work with FC?
>
> Thanks a lot!
>




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