Le_Forgeron <jgr### [at] freefr> wrote:

> The cubic spline of povray is just the classical cubic spline, just
> consider each dimension separately.
>
> http://mathworld.wolfram.com/CubicSpline.html


Thanks again.
For many of us without a long and continued mathematical background, "classical"
cubic spline, "easily solved", and "matrix"  don't really go together.

I found this in one of my other travels, hope it helps someone else too.
http://newtonexcelbach.wordpress.com/2009/07/02/cubic-splines/

Post a reply to this message