Re: Shortening Polynomials
- To: mathgroup at christensen.cybernetics.net
- Subject: [mg418] Re: [mg413] Shortening Polynomials
- From: Lou Talman <me at talmanl.mscd.edu>
- Date: Mon, 23 Jan 95 08:05:31 -0700
Use "Series" in conjunction with "Normal" to expand and truncate:
In[1]:=
t1 = a0 + a1 q + a2 q^2 ;
Normal[Series[t1^4, {q, 0, 2}]]
Out[2]=
2
4 3 4 6 a1 4 a2 2
a0 + 4 a0 a1 q + a0 (----- + ----) q
2 a0
a0
--Lou Talman
Metropolitan State College of Denver