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From: Greg Heath <heath@alumni.brown.edu>
Newsgroups: comp.soft-sys.matlab
Subject: Re: root finding of Linear equation
Date: Fri, 20 Nov 2009 20:27:14 -0800 (PST)
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On Oct 29, 5:21 am, "John D'Errico" <woodch...@rochester.rr.com>
wrote:
> "Eldar " <el_os...@mynet.com> wrote in message <hcbncl$ao...@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.

It's linear in the unknown coefficients which,
given data, can be solved using backslash.

Greg