Re: two quadratic eq, please help

[Paul Kienzle]

These are circles which admit an infinity of solutions.

For a circle of radius r located at (a,b) use the following equation:

        (x-a)^2 + (y-b)^2 = r^2

You can generate solution pairs by x=r cos(theta), y=r sin(theta)

- Paul

On Feb 6, 2005, at 3:25 AM, shih lin wrote:

> dear octave and math programmers:
>
>   highly appreciate anyone can tell me how (or hint) to use octave to
> solve:(12-x)^2 + y^2 =15^2, (16+y)^2+x^2=25^2 (by programming or using 
> its built
> in function)?
> that ^2 mean square.
> looking to any math&programer's help,
>  eric, address@hidden
>
>
>
>
> ------------------------------------------------------------
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