Re: Equation

From: Sven Dzepina (mail_at_styleswitch.de)
Date: 10/15/03 

Date: Wed, 15 Oct 2003 06:54:52 +0200

Hi Pedro,

you must be a very intelligent human =)

Gretting.

"Pedro" <hexkid@hotpop.com> schrieb im Newsbeitrag
news:bmhvt2$n6tdt$1@ID-203069.news.uni-berlin.de...
> Sven Dzepina wrote:
> > Big Thanks Pedro!
> > It's a great script =)
>
> LOL, thanks
>
>
> > An Equation Script which can handle more variables would be better ;)
>
> Yes, I'm pretty sure it would.
> If you can guarantee the equations are normalized
>
> 3x - 6 = 0
>
> instead of
>
> 4(x-1) = x+2
>
> that makes making the solver script terribly easy for
>
> a) ax+b=0
> b) ax^2+bx+c=0
> c) ax+by+c=0 (and) dx+ey+f=0
> d) ...
>
> Input only the constants ... not the whole equation;
> for the equation above you'd input only: a=3, and b=-6
>
> and then solve (after checking for division by zero only):
> return -($b/$a);
>
>
> or, for equation in type 2:
> return array((-$b+sqrt($a*$a-4*$a*$c))/(2*$a),
> (-$b-sqrt($a*$a-4*$a*$c))/(2*$a));
>
> etc. ... ...
>
>
>
> Happy Coding :-)
>

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