Re: polynomial function
- To: mathgroup at smc.vnet.net
- Subject: [mg117727] Re: polynomial function
- From: DrMajorBob <btreat1 at austin.rr.com>
- Date: Wed, 30 Mar 2011 04:14:47 -0500 (EST)
2 10^-18 x^6 - 2 10^-14 x^5 + 10^-10 x^4 - 2 10^-7 x^3 + 0.0002 x^2 - 0.0373 x + 70.098 70.098 - 0.0373 x + 0.0002 x^2 - x^3/5000000 + x^4/10000000000 - x^5/50000000000000 + \ x^6/500000000000000000 % // Rationalize 35049/500 - ( 373 x)/10000 + x^2/5000 - x^3/5000000 + x^4/10000000000 - \ x^5/50000000000000 + x^6/500000000000000000 Bobby On Tue, 29 Mar 2011 06:58:26 -0500, cerr <ron.eggler at gmail.com> wrote: > Hi There, > > I'm trying to make sense out of a polynomial function from excel, > it gives me following: > y = 2E-18x^6 - 2E-14x^5 + 1E-10x^4 - 2E-07x^3 + 0.0002x^2 - 0.0373x + > 70.098 > and i want to translate this into (normal math) where x is numbers > from 0 - 4069. > following doesnt' seem to be right: > 2/10^18*x^6 - 2/10^14*x^5+1/10^10*x&3+0.0002*x^2-0.0373*x+70.098 > But I don't see my mistake - can someone help me please? > Thank you! > -- DrMajorBob at yahoo.com