Why the loop gain no result?

*To*: mathgroup at smc.vnet.net*Subject*: [mg126061] Why the loop gain no result?*From*: Huafeng Cao <geotom.cao at gmail.com>*Date*: Sat, 14 Apr 2012 03:10:07 -0400 (EDT)*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com

Dear all, I use the' For' loop to solving an equation, such as : For[i = 1, i < 5, i++, a = i; Solve[a*x^2 - 2 x + 1 == 0, x]].The 'a' in the body must be updated in every loop with the 'i'. But i cann' t gain the result,Somewhere is disorder? I am confused. Thinks in advanced! Geotom.Cao GUCAS

**Follow-Ups**:**Re: Why the loop gain no result?***From:*Bob Hanlon <hanlonr357@gmail.com>

**Re: Why the loop gain no result?***From:*Tomas Garza <tgarza10@msn.com>