Mihail Denisenko wrote:
> Hi,
>
> I have a question about simplification system. Usually Maxima does
> sorting of all variable-names in result of processing.
>
> For example, for input x+y we will have output y+x.
>
> Is it possible to suppress this behavior of Maxima?
Yes you can change the order of variables with ordergreat().
> Is it necessary to do changes in the source code of simplification system?
No.
If you want to suppress all ordering, you could turn off the simplifier
with simp:off.
I don't know why you might want to do this, but it is usually a terrible
idea.
RJF