Re: signs in the mathematica output
- To: mathgroup at smc.vnet.net
- Subject: [mg92488] Re: signs in the mathematica output
- From: Simone Moriconi <simone.moriconi at eco.unipmn.it>
- Date: Wed, 1 Oct 2008 18:33:41 -0400 (EDT)
- References: <gbulqi$lcr$1@smc.vnet.net> <48E2FC19.1040300@gmail.com>
Thanks a lot for your help! Simone Jean-Marc Gulliet ha scritto: > Simone Moriconi wrote: > >> Hello everybody! I have a problem in using the Mathematica Package >> which is probably a bit stupid but very annoying when you have long >> expressions.. >> When I "FullSimplify" big equations, in the output the negative sign >> is always put aside i.e. if I do something like: >> >> FullSimplify[(1-s)(1-a)] >> >> I obtain >> (-1+s)(-1+a). >> >> Which is very confusing with long and tedius expressions. Does anybody >> know a way to solve this problem? > > You could use *TraditionalForm* or > *PolynomialForm[_, TraditionalOrder -> True]* as follows: > > In[5]:= Simplify[(1 - s) (1 - a)] > > Out[5]= (-1 + a) (-1 + s) > > In[6]:= % // TraditionalForm > > Out[6]= (a-1) (s-1) > > In[7]:= PolynomialForm[%%, TraditionalOrder -> True] > > Out[7]= (a-1) (s-1) > > HTH, > -- Jean-Marc