Gleb wrote:
>...
> Of course, this will be approximation too, because of limited accuracy. The
> best way is just to find out these figures directly from original set of
> points, but it seems that in this case we need to solve linear systems of
> higher order, than 4(still possible with SDL, however).
>...

I have some (slow) POV macros that will solve
linear systems with N equations and N unknowns.


Tor Olav

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