MATLAB Central Newsreader - Newton-Raphson method or regula falsi method

Newton-Raphson method or regula falsi method

maaya — Tue, 09 Dec 2008 09:56:47 -0500

solve this equation using Newton-Raphson method or regula-falsi
method:
tan x=x

Re: Newton-Raphson method or regula falsi method

Gavrilo Bozovic — Tue, 09 Dec 2008 10:06:02 -0500

maaya <upasna.shukla20@gmail.com> wrote in message <16aa8dab-ad8f-44f9-a528-f83a770b3da1@r10g2000prf.googlegroups.com>...
> solve this equation using Newton-Raphson method or regula-falsi
> method:
> tan x=x

don't feel like it...

Re: Newton-Raphson method or regula falsi method

Walter Roberson — Tue, 09 Dec 2008 15:32:56 -0500

maaya wrote:
> solve this equation using Newton-Raphson method or regula-falsi
> method:
> tan x=x

My initial guess of "x = 0" solved it in 0 iterations.

--
.signature note: I am now avoiding replying to unclear or ambiguous postings.
Please review questions before posting them. Be specific. Use examples of what you mean,
of what you don't mean. Specify boundary conditions, and data classes and value
relationships -- what if we scrambled your data or used -Inf, NaN, or complex(rand,rand)?

Re: Newton-Raphson method or regula falsi method

Gavrilo Bozovic — Tue, 09 Dec 2008 15:49:01 -0500

Walter Roberson <roberson@hushmail.com> wrote in message <wcw%k.19359$b05.10685@newsfe06.iad>...
> maaya wrote:
> > solve this equation using Newton-Raphson method or regula-falsi
> > method:
> > tan x=x
>
> My initial guess of "x = 0" solved it in 0 iterations.
>
>
> --
> .signature note: I am now avoiding replying to unclear or ambiguous postings.
> Please review questions before posting them. Be specific. Use examples of what you mean,
> of what you don't mean. Specify boundary conditions, and data classes and value
> relationships -- what if we scrambled your data or used -Inf, NaN, or complex(rand,rand)?

Yeah but that's not fair, you have to have a lot of experience to know that tan(0) = 0, without using a numerical estimation method!