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From: "Aprisa " <aprisamd@gmail.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: root finding of Linear equation
Date: Sat, 21 Nov 2009 03:03:03 +0000 (UTC)
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"John D'Errico" <woodchips@rochester.rr.com> wrote in message <hcbqad$3s7$1@fred.mathworks.com>...
> "Eldar " <el_osman@mynet.com> wrote in message <hcbncl$aov$1@fred.mathworks.com>...
> > I need to find out the roots of an any linear equation like;
> > y = ax? + bx? + cx + d
> > or
> > y = ax? + bx + c
> > 
> > Any suggestions on how to approach such problem?
> > Consider that I'm just new user of Matlab.
> 
> In "ax? + bx? + cx + d", what is the ?
> supposed to do? 
> 
> If these were meant to indicate a power
> operation, then how is it that you call this
> a LINEAR equation? It is nonlinear in the
> variable of interest.
> 
> In the above case, of course, roots may be
> of service to you.
> 
> If ? means something else, please explain.
> 
> John

Hi John,

I am a new user of Matlab.
how do you find the roots of the function below using Matlab?
f(x)=a(x^2)+b(x)+c

thank you in advance..