changing variable in an equation

*To*: mathgroup at smc.vnet.net*Subject*: [mg116341] changing variable in an equation*From*: "J and B" <noslowski at comcast.net>*Date*: Fri, 11 Feb 2011 04:17:10 -0500 (EST)

Below is an equation that I am working on. I know there is some way to work it out better than what I am doing. I would like the variable a to change in increments of 10, from -100 to 100. Thanks my main equation is: v = -67+(a-(-67) x E ^ (-19 x t)/10 what I am doing: v1= -67+(0-(-67) x E ^ (-19 x t)/10; v2= -67+(-10-(-67) x E ^ (-19 x t)/10; v3= -67+(-20-(-67) x E ^ (-19 x t)/10; and so on and working from -100 to 100 Then I use Plot [ { v1,v2, v3 ........},{t,0,5}, PlotRange -> All] Please note that I have added some spaces in to make it more readable. thanks Jake

**Follow-Ups**:**Re: changing variable in an equation***From:*DrMajorBob <btreat1@austin.rr.com>