Re: Polonomyal Quotient
- To: mathgroup at smc.vnet.net
- Subject: [mg2374] Re: Polonomyal Quotient
- From: danl (Daniel Lichtblau)
- Date: Sun, 29 Oct 1995 22:49:18 -0500
- Organization: Wolfram Research, Inc.
In article <46n9mt$4cd at ralph.vnet.net> hans.steffani at e-technik.tu-chemnitz.de (Hans Steffani) writes: > In[5]:= (1. t^3 + 2 t^5) / ( t^2 ( 3 + 4 t^2) ) > > 3 5 > 1. t + 2 t > Out[5]= ------------- > 2 2 > t (3 + 4 t ) > > In[6]:= Simplify[%] > > 3 5 > 1. t + 2 t > Out[6]= ------------ > 2 4 > 3 t + 4 t > > > How can I make mathematica calculating > > In[11]:= Simplify[Numerator[Out[6]]/t^2] / Simplify[Denominator[Out[6]]/t^2] > > 3 > 1. t + 2 t > Out[11]= ----------- > 2 > 3 + 4 t > > > Hans Friedrich Steffani > -- > Hans Friedrich Steffani > Institut fuer Elektrische Maschinen und Antriebe > TU Chemnitz-Zwickau > e-mail: hans.steffani at e-technik.tu-chemnitz.de > You might try something like this: In[4]:= Together[Rationalize[(1. t^3 + 2 t^5) / ( t^2 ( 3 + 4 t^2) )]]//InputForm Out[4]//InputForm= (t*(1 + 2*t^2))/(3 + 4*t^2) In general, the presence of inexact numbers will confound Simplify, Together, et al. Daniel Lichtblau Wolfram Research danl at wri.com