Warp wrote:
> SharkD <mik### [at] gmail com> wrote:
>> Is there a function in POV that will allow me to automatically take the
>> derivative of another function?
>
> Calculating the derivative of a function analytically is not trivial
> and has such low demand that povray obviously doesn't offer such a thing.
>
> A numerical approximation could be easier, but still the demand is so
> low that no such luck.
>
> But I think the user-defined functions are expressive enough for you to
> do it in SDL.
>
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